Slate 50 (#F8FAFC)

Luminance: 95% · Nearest standard name: Slate 50

SLATE 50
#F8FAFC
rgb(248, 250, 252) · hsl(210°, 40%, 98%)
HEX#F8FAFC
RGB248, 250, 252
HSL210°, 40%, 98%
HSV / HSB210°, 2%, 99%
CMYK (Print)2%, 1%, 0%, 1%

Color Harmonies

Complementary

#F8FAFC#FCFAF8

Analogous

#F8FCFC#F8FAFC#F8F8FC

Triadic

#F8FAFC#FCF8FA#FAFCF8

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)1.05:1

Sample text rendered with #F8FAFC on white

AA Normal: FAILAA Large: FAIL
Against Dark (#0F172A)17.06:1

Sample text rendered with #F8FAFC on dark

AA Normal: PASSAA Large: PASS
Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Slate 50 (#F8FAFC)

Slate 50 (#F8FAFC) is a distinct shade within the Blue chromatic spectrum. Characterized by an optical luminance of 95% and a cool color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#F8FAFC
RGB Space248, 250, 252
HSL Values210°, 40%, 98%
HSV / HSB210°, 2%, 99%
CMYK Ink2%, 1%, 0%, 1%
TemperatureCool

Optical Color Harmony Formulas for Slate 50

Geometric intervals calculated from #F8FAFC on the 360-degree color wheel.

Direct Polar (180°)#FCFAF8

Complementary Harmony

Pairs Slate 50 with its polar opposite (#FCFAF8) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#F8FCFC · #F8F8FC

Analogous Harmony

Positions adjacent neighboring hues on either side of Slate 50 for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#FCF8F8 · #FCFCF8

Split-Complementary

Uses the two colors flanking the direct complement of Slate 50, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#FCF8FA · #FAFCF8

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#FCF8FC · #FCFAF8 · #F8FCF8

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Slate 50

Lock #F8FAFC inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Slate 50

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Dominant Background Canvas (60% Volume)

With an exceptionally high lightness of 98%, Slate 50 (#F8FAFC) serves as a clean, soft canvas surface. It provides ample negative space for dark typography without the harsh ocular glare of stark pure white.

Light Mode SurfaceOptimal canvas surface
Dark Mode AdaptationDesaturate slightly for ambient glow

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

This color projects authority, intelligence, and calm dependability. Universally trusted across enterprise software and fintech products.

Optimal Industry Verticals

Fintech, Enterprise SaaS, Healthcare, Cloud Infrastructure. Combining Slate 50 with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Slate 50

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-f8fafc: #F8FAFC;
  --color-f8fafc-rgb: 248, 250, 252;
  --color-f8fafc-hsl: 210deg 40% 98%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        'f8fafc': '#F8FAFC',
      }
    }
  }
};

Frequently Asked Questions About Slate 50 (#F8FAFC)

Authoritative answers covering Slate 50 color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Slate 50 (#F8FAFC)?
Slate 50 is defined by the HEX code #F8FAFC. Its digital screen RGB coordinates are R:248, G:250, B:252. Its cylindrical HSL values are Hue:210°, Saturation:40%, Lightness:98%. In HSV/HSB format, it is 210°, 2%, 99%. For four-color CMYK process printing, its ink percentages are C:2%, M:1%, Y:0%, K:1%.
Does Slate 50 (#F8FAFC) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Slate 50 achieves a contrast ratio of 1.05:1 (Failing WCAG AA for normal body text, and Failing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 17.06:1 (Passing WCAG AA).
What is the direct complementary color for Slate 50 (#F8FAFC)?
The exact 180-degree optical complementary color for #F8FAFC is #FCFAF8. When placed side-by-side, #F8FAFC and #FCFAF8 create maximum visual tension and high click-through conversion rates.
What is the recommended role for Slate 50 in the 60-30-10 UI design rule?
With an exceptionally high lightness of 98%, Slate 50 (#F8FAFC) serves as a clean, soft canvas surface. It provides ample negative space for dark typography without the harsh ocular glare of stark pure white.
How can I copy and export Slate 50 into Tailwind CSS and CSS variables?
You can define Slate 50 in CSS custom properties as ':root { --color-custom: #F8FAFC; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Slate 50 using our interactive Color Palette Generator.
Which color family does Slate 50 (#F8FAFC) belong to?
Slate 50 belongs to the Blue family (Cool spectrum). You can explore full tonal ramps and curated palettes in our Blue Color Guide.