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bg-gray-100

Tailwind Gray 100

#F3F4F6·Gray family·Shade 100

Color Values

HEX
#F3F4F6
RGB
rgb(243, 244, 246)
HSL
hsl(220, 14%, 96%)
OKLCH
oklch(0.967 0.003 265)
CMYK
cmyk(1%, 1%, 0%, 4%)
CSS Variable
var(--color-gray-100)
Tailwind Class
bg-gray-100

Accessibility Score

60/100

Good

Based on WCAG 2.1 contrast ratios against white and black backgrounds.

On White

1.1:1

Fail

On Black

19.08:1

AAA
Test in Contrast Checker →

Tailwind Usage — All Utilities

Background

bg-gray-100

Text

text-gray-100

Border

border-gray-100

Ring

ring-gray-100

Outline

outline-gray-100

Fill

fill-gray-100

Stroke

stroke-gray-100

From (gradient)

from-gray-100

Via (gradient)

via-gray-100

To (gradient)

to-gray-100

Placeholder

placeholder-gray-100

Caret

caret-gray-100

Accent

accent-gray-100

Decoration

decoration-gray-100

Shadow Color

shadow-gray-100

Tailwind v3 Config (extend custom color)

// tailwind.config.js module.exports = { theme: { extend: { colors: { 'gray-100': '#f3f4f6', }, }, }, };

CSS Equivalent

/* Hex */
background-color: #F3F4F6;

/* RGB */
background-color: rgb(243, 244, 246);

/* HSL */
background-color: hsl(220, 14%, 96%);

/* OKLCH (CSS Color Level 4) */
background-color: oklch(0.967 0.003 265);

/* CSS Custom Property (Tailwind v4) */
background-color: var(--color-gray-100);

/* Gradient example */
background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);

OKLCH — Modern Color Space

Lightness (L)

0.967

97% perceived brightness

Chroma (C)

0.003

Color intensity / saturation

Hue (H)

265°

Angle on perceptual hue wheel

oklch(0.967 0.003 265)

OKLCH is a perceptually uniform color space in CSS Color Level 4. Unlike HSL, equal steps in L produce equal perceived lightness changes — making it ideal for building accessible, harmonious design system scales.

Design Recommendations

Light surface & background

Shade 100 of the Gray palette

Recommended Uses

  • Card backgrounds
  • Sidebar fills
  • Input field backgrounds
  • Chip & badge backgrounds
  • Skeleton loaders

Avoid

Body text on white — insufficient contrast for normal-size text.

Preview

On White

Aa Bb Cc

On Black

Aa Bb Cc

As Background

Aa Bb Cc — #F3F4F6

Frequently Asked Questions

What is the hex code for Tailwind Gray 100?
Tailwind Gray 100 has the hex code #F3F4F6. Its RGB value is rgb(243, 244, 246) and its HSL value is hsl(220, 14%, 96%).
What Tailwind utility classes use Gray 100?
Use bg-gray-100 for backgrounds, text-gray-100 for text color, border-gray-100 for borders, and ring-gray-100 for focus rings. In Tailwind v4 the CSS variable var(--color-gray-100) is available natively.
Is Tailwind Gray 100 WCAG accessible?
Tailwind Gray 100 achieves a 1.1:1 contrast ratio on white (Fail) and 19.08:1 on black (AAA). Its overall accessibility score is 60/100 (Good).
What is the OKLCH value for Tailwind Gray 100?
Tailwind Gray 100 in OKLCH is oklch(0.967 0.003 265) — lightness 0.967, chroma 0.003, hue 265°. OKLCH is a perceptually uniform space supported natively in modern CSS via the `color()` function.
What is Tailwind Gray 100 used for?
At shade 100, Tailwind Gray 100 is best described as "Light surface & background". Recommended uses: Card backgrounds, Sidebar fills, Input field backgrounds.