#B1B2B5

Accessibility

AAA

9.9:1

Vs white / black

2.12:1 · 9.9:1

Sources

Library color

Codes

Formats

HEX

#b1b2b5

RGB

rgb(177, 178, 181)

RGBA

rgba(177, 178, 181, 1)

HSL

hsl(225, 3%, 70%)

HSLA

hsla(225, 3%, 70%, 1)

HSV

hsv(225, 2%, 71%)

LAB

lab(72.58% 0.22 -1.65)

LCH

lch(72.58% 1.66 277.59)

OKLAB

oklab(0.7637 0.0001 -0.0044)

OKLCH

oklch(0.7637 0.0044 271.3)

XYZ

xyz(42.39, 44.52, 50.07)

CMYK

cmyk(2%, 2%, 0%, 29%)

CSS

color: #b1b2b5;

CSS variable

--color-b1b2b5: #b1b2b5;

SCSS

$color-b1b2b5: #b1b2b5;

JavaScript

const color = "#b1b2b5";

TypeScript

const color: string = "#b1b2b5";

React

style={{ backgroundColor: "#b1b2b5" }}

JSON

{ "hex": "#b1b2b5", "rgb": { "r": 177, "g": 178, "b": 181 }, "oklch": "oklch(0.7637 0.0044 271.3)" }

Export

Developer code

css

:root {
  --#b1b2b5-1: #b1b2b5;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

neutral-400

Noticeably different · ΔE 4.63 · #A3A3A3

Nearest CSS named color

DarkGray

Noticeably different · ΔE 3.03 · #A9A9A9

Nearest Material color

grey-400

Noticeably different · ΔE 3.37 · #BDBDBD

Nearest Bootstrap color

light

Very different · ΔE 16.64 · #F8F9FA

OKLCH

Perceptual 50–950 scale

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

50f0f5ff 100e3e7f6 200cfd4e2 300b9bdcb 4009da1ae 500828693 6006c707c 700555965 80040434f 9002b2f39 950171a24

Palette

Tints & shades

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

f9f9f9 f2f2f3 ececed e5e5e6 dfdfe0 d8d9da d2d2d4 cbccce c5c5c8 bebfc1 b8b8bb b1b2b5 a2a3a6 949497 858688 767779 67686a 59595b 4a4a4b 3b3b3c 2c2d2d 1d1e1e 0f0f0f

Palette

Tints

Mixed toward white — soft backgrounds and highlights

f9f9f9 f2f2f3 ececed e5e5e6 dfdfe0 d8d9da d2d2d4 cbccce c5c5c8 bebfc1 b8b8bb

Palette

Shades

Mixed toward black — depth, text, and emphasis

a2a3a6 949497 858688 767779 67686a 59595b 4a4a4b 3b3b3c 2c2d2d 1d1e1e 0f0f0f

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

adaeb1 a9aaac a5a6a8 a1a1a3 9d9d9f 99999b 949596 909192 8c8d8d 888889 848484

Harmony

Complementary

Opposite on the color wheel for contrast

#B1B2B5Stop 1 #B5B4B0Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#B0B4B5Stop 1 #B1B2B5Stop 2 #B1B0B5Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#B1B2B5Stop 1 #B5B0B1Stop 2 #B1B5B0Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#B1B2B5Stop 1 #B5B1B0Stop 2 #B4B5B0Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#313235Stop 1 #57585CStop 2 #7C7E83Stop 3 #A3A4A8Stop 4 #CACBCEStop 5

Using this color

Where #b1b2b5 works

#B1B2B5 (#b1b2b5) sits in the grey family at about 225° hue, 3% saturation, and 70% lightness. Contrast is 2.12:1 on white and 9.9:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: neutral-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 #b1b2b5 as small body text on white — 2.12:1 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: Neutrality, balance, and modernity. Essential for UI chrome, typography, and systems. Common uses still include buttons, charts, and accents in the Grey range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

DarkGray#A9A9A9 Material Grey 400#BDBDBD Silver#C0C0C0 Tailwind neutral 400#A3A3A3 Silver#BDC3C7 Soothing Breeze#B2BEC3 Tailwind zinc 400#A1A1AA Material Grey 500#9E9E9E Material Blue Grey 200#B0BEC5 Tailwind stone 400#A8A29E Tailwind gray 400#9CA3AF Web Safe #CCCCCC#CCCCCC

Where #b1b2b5 works

Sensible jobs for this swatch

supporting UI accents

text or icons on charcoal / dark mode

Do not use #b1b2b5 as small body text on white — 2.12:1 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.