#3B3B43

Accessibility

AAA

11.1:1

Vs white / black

11.1:1 · 1.89:1

Sources

Library color

Codes

Formats

HEX

#3b3b43

RGB

rgb(59, 59, 67)

RGBA

rgba(59, 59, 67, 1)

HSL

hsl(240, 6%, 25%)

HSLA

hsla(240, 6%, 25%, 1)

HSV

hsv(240, 12%, 26%)

LAB

lab(25.15% 1.91 -4.91)

LCH

lch(25.15% 5.27 291.26)

OKLAB

oklab(0.3554 0.0037 -0.0132)

OKLCH

oklch(0.3554 0.0137 285.66)

XYZ

xyz(4.38, 4.46, 5.94)

CMYK

cmyk(12%, 12%, 0%, 74%)

CSS

color: #3b3b43;

CSS variable

--color-3b3b43: #3b3b43;

SCSS

$color-3b3b43: #3b3b43;

JavaScript

const color = "#3b3b43";

TypeScript

const color: string = "#3b3b43";

React

style={{ backgroundColor: "#3b3b43" }}

JSON

{ "hex": "#3b3b43", "rgb": { "r": 59, "g": 59, "b": 67 }, "oklch": "oklch(0.3554 0.0137 285.66)" }

Export

Developer code

css

:root {
  --#3b3b43-1: #3b3b43;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

zinc-700

Similar · ΔE 1.43 · #3F3F46

Nearest CSS named color

DarkSlateGray

Very different · ΔE 16.01 · #2F4F4F

Nearest Material color

grey-800

Very different · ΔE 5.46 · #424242

Nearest Bootstrap color

dark

Very different · ΔE 8.39 · #212529

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 300bcbcca 400a0a0ae 500858592 6006f6f7c 700585864 80042424e 9002e2e39 9501a1924

Palette

Tints & shades

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

efefef dedee0 ceced0 bebec0 adadb1 9d9da1 8d8d91 7c7c82 6c6c72 5c5c62 4b4b53 3b3b43 36363d 313138 2c2c32 27272d 222227 1e1e22 19191c 141416 0f0f11 0a0a0b 050506

Palette

Tints

Mixed toward white — soft backgrounds and highlights

efefef dedee0 ceced0 bebec0 adadb1 9d9da1 8d8d91 7c7c82 6c6c72 5c5c62 4b4b53

Palette

Shades

Mixed toward black — depth, text, and emphasis

36363d 313138 2c2c32 27272d 222227 1e1e22 19191c 141416 0f0f11 0a0a0b 050506

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

414148 47474d 4c4c52 525257 58585c 5e5e62 636367 69696c 6f6f71 757576 7a7a7b

Harmony

Complementary

Opposite on the color wheel for contrast

#3B3B43Stop 1 #44443CStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#3C4044Stop 1 #3B3B43Stop 2 #403C44Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#3B3B43Stop 1 #443C3CStop 2 #3C443CStop 3

Harmony

Split complementary

Base plus two accents beside the complement

#3B3B43Stop 1 #44403CStop 2 #40443CStop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#303036Stop 1 #54545FStop 2 #787887Stop 3 #A0A0ABStop 4 #C9C9CFStop 5

Using this color

Where #3b3b43 works

#3B3B43 (#3b3b43) sits in the grey family at about 240° hue, 6% saturation, and 25% lightness. Contrast is 11.1:1 on white and 1.89:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: zinc-700 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on a white canvas

On a black or near-black UI, #3b3b43 is 1.89:1. Prefer it as a fill, border, or large heading rather than 16px copy.

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

Tailwind zinc 700#3F3F46 Tailwind neutral 700#404040 Material Grey 800#424242 Tailwind gray 700#374151 Web Safe #333333#333333 Dracula Orchid#2D3436 Tailwind zinc 800#27272A Tailwind slate 700#334155 Tailwind stone 700#44403C Tailwind zinc 600#52525B Midnight Blue#2C3E50 Material Blue Grey 900#263238