#33333B

Accessibility

AAA

12.52:1

Vs white / black

12.52:1 · 1.68:1

Sources

Library color

Codes

Formats

HEX

#33333b

RGB

rgb(51, 51, 59)

RGBA

rgba(51, 51, 59, 1)

HSL

hsl(240, 7%, 22%)

HSLA

hsla(240, 7%, 22%, 1)

HSV

hsv(240, 14%, 23%)

LAB

lab(21.53% 1.97 -5.02)

LCH

lch(21.53% 5.39 291.43)

OKLAB

oklab(0.3243 0.0038 -0.0135)

OKLCH

oklch(0.3243 0.014 285.72)

XYZ

xyz(3.34, 3.39, 4.61)

CMYK

cmyk(14%, 14%, 0%, 77%)

CSS

color: #33333b;

CSS variable

--color-33333b: #33333b;

SCSS

$color-33333b: #33333b;

JavaScript

const color = "#33333b";

TypeScript

const color: string = "#33333b";

React

style={{ backgroundColor: "#33333b" }}

JSON

{ "hex": "#33333b", "rgb": { "r": 51, "g": 51, "b": 59 }, "oklch": "oklch(0.3243 0.014 285.72)" }

Export

Developer code

css

:root {
  --#33333b-1: #33333b;
}

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

Noticeably different · ΔE 3.95 · #3F3F46

Nearest CSS named color

Black

Very different · ΔE 14.53 · #000000

Nearest Material color

grey-800

Very different · ΔE 6.97 · #424242

Nearest Bootstrap color

dark

Very different · ΔE 6.3 · #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

eeeeef ddddde ccccce bbbbbe aaaaad 99999d 88888d 77777c 66666c 55555c 44444b 33333b 2f2f36 2b2b31 26262c 222227 1e1e22 1a1a1e 151519 111114 0d0d0f 08080a 040405

Palette

Tints

Mixed toward white — soft backgrounds and highlights

eeeeef ddddde ccccce bbbbbe aaaaad 99999d 88888d 77777c 66666c 55555c 44444b

Palette

Shades

Mixed toward black — depth, text, and emphasis

2f2f36 2b2b31 26262c 222227 1e1e22 1a1a1e 151519 111114 0d0d0f 08080a 040405

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

393941 404047 46464c 4d4d52 535358 5a5a5e 606063 666669 6d6d6f 737375 7a7a7a

Harmony

Complementary

Opposite on the color wheel for contrast

#33333BStop 1 #3C3C34Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#34383CStop 1 #33333BStop 2 #38343CStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#33333BStop 1 #3C3434Stop 2 #343C34Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#33333BStop 1 #3C3834Stop 2 #383C34Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2F2F37Stop 1 #53535FStop 2 #777788Stop 3 #A0A0ACStop 4 #C8C8D0Stop 5

Using this color

Where #33333b works

#33333B (#33333b) sits in the grey family at about 240° hue, 7% saturation, and 22% lightness. Contrast is 12.52:1 on white and 1.68:1 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, #33333b is 1.68:1. 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 zinc 800#27272A Web Safe #333333#333333 Tailwind gray 800#1F2937 Bootstrap dark#212529 Tailwind neutral 700#404040 Dracula Orchid#2D3436 Tailwind neutral 800#262626 Tailwind gray 700#374151 Material Grey 800#424242 Tailwind slate 800#1E293B Tailwind stone 800#292524