#A3A3B5

Accessibility

AAA

8.46:1

Vs white / black

2.48:1 · 8.46:1

Sources

Library color

Codes

Formats

HEX

#a3a3b5

RGB

rgb(163, 163, 181)

RGBA

rgba(163, 163, 181, 1)

HSL

hsl(240, 11%, 67%)

HSLA

hsla(240, 11%, 67%, 1)

HSV

hsv(240, 10%, 71%)

LAB

lab(67.51% 3.59 -9.26)

LCH

lch(67.51% 9.93 291.19)

OKLAB

oklab(0.7213 0.007 -0.0249)

OKLCH

oklch(0.7213 0.0259 285.7)

XYZ

xyz(36.54, 37.32, 48.98)

CMYK

cmyk(10%, 10%, 0%, 29%)

CSS

color: #a3a3b5;

CSS variable

--color-a3a3b5: #a3a3b5;

SCSS

$color-a3a3b5: #a3a3b5;

JavaScript

const color = "#a3a3b5";

TypeScript

const color: string = "#a3a3b5";

React

style={{ backgroundColor: "#a3a3b5" }}

JSON

{ "hex": "#a3a3b5", "rgb": { "r": 163, "g": 163, "b": 181 }, "oklch": "oklch(0.7213 0.0259 285.7)" }

Export

Developer code

css

:root {
  --#a3a3b5-1: #a3a3b5;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

zinc-400

Noticeably different · ΔE 4.01 · #A1A1AA

Nearest CSS named color

DarkGray

Very different · ΔE 8.74 · #A9A9A9

Nearest Material color

grey-500

Very different · ΔE 8.85 · #9E9E9E

Nearest Bootstrap color

secondary

Very different · ΔE 18.51 · #6C757D

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50f3f4ff 100e6e6f5 200d3d3e1 300bcbccc 400a0a0b1 500848496 6006e6e7d 700585865 80042424e 9002e2e39 9501a1924

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

f7f7f9 f0f0f3 e8e8ed e0e0e6 d9d9e0 d1d1da c9c9d4 c2c2ce babac8 b2b2c1 ababbb a3a3b5 9595a6 888897 7a7a88 6d6d79 5f5f6a 52525b 44444b 36363c 29292d 1b1b1e 0e0e0f

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f7f7f9 f0f0f3 e8e8ed e0e0e6 d9d9e0 d1d1da c9c9d4 c2c2ce babac8 b2b2c1 ababbb

Palette

Shades

Mixed toward black — depth, text, and emphasis

9595a6 888897 7a7a88 6d6d79 5f5f6a 52525b 44444b 36363c 29292d 1b1b1e 0e0e0f

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

a0a0b1 9d9dac 9a9aa8 9797a3 94949f 92929b 8f8f96 8c8c92 89898d 868689 838384

Harmony

Complementary

Opposite on the color wheel for contrast

#A3A3B5Stop 1 #B4B4A2Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#A2ABB4Stop 1 #A3A3B5Stop 2 #ABA2B4Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#A3A3B5Stop 1 #B4A2A2Stop 2 #A2B4A2Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#A3A3B5Stop 1 #B4ABA2Stop 2 #ABB4A2Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2D2D39Stop 1 #4F4F63Stop 2 #71718EStop 3 #9C9CB0Stop 4 #C6C6D2Stop 5

Using this color

Where #a3a3b5 works

#A3A3B5 (#a3a3b5) sits in the indigo family at about 240° hue, 11% saturation, and 67% lightness. Contrast is 2.48:1 on white and 8.46:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: zinc-400 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on charcoal / dark mode

Do not use #a3a3b5 as small body text on white — 2.48:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Low saturation makes this easy to overuse as a neutral. Keep one chromatic accent elsewhere so the interface does not go muddy.

Family context: Intuition, depth, and sincerity. Common in enterprise software and thoughtful products. Common uses still include buttons, charts, and accents in the Indigo range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Tailwind zinc 400#A1A1AA Tailwind gray 400#9CA3AF Tailwind slate 400#94A3B8 Chakra gray 400#A0AEC0 Material You Neutral#938F99 Tailwind neutral 400#A3A3A3 DarkGray#A9A9A9 Material Grey 500#9E9E9E System Gray#8E8E93 Spectrum #93A8CD#93A8CD Web Safe #999999#999999 Material Indigo 200#9FA8DA

Where #a3a3b5 works

Sensible jobs for this swatch

supporting UI accents

text or icons on charcoal / dark mode

Do not use #a3a3b5 as small body text on white — 2.48:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Low saturation makes this easy to overuse as a neutral. Keep one chromatic accent elsewhere so the interface does not go muddy.