#33363F

Accessibility

AAA

12.07:1

Vs white / black

12.07:1 · 1.74:1

Sources

Library color

Codes

Formats

HEX

#33363f

RGB

rgb(51, 54, 63)

RGBA

rgba(51, 54, 63, 1)

HSL

hsl(225, 11%, 22%)

HSLA

hsla(225, 11%, 22%, 1)

HSV

hsv(225, 19%, 25%)

LAB

lab(22.66% 1 -6.04)

LCH

lch(22.66% 6.12 279.4)

OKLAB

oklab(0.3336 0.0003 -0.0164)

OKLCH

oklch(0.3336 0.0164 271.05)

XYZ

xyz(3.58, 3.70, 5.23)

CMYK

cmyk(19%, 14%, 0%, 75%)

CSS

color: #33363f;

CSS variable

--color-33363f: #33363f;

SCSS

$color-33363f: #33363f;

JavaScript

const color = "#33363f";

TypeScript

const color: string = "#33363f";

React

style={{ backgroundColor: "#33363f" }}

JSON

{ "hex": "#33363f", "rgb": { "r": 51, "g": 54, "b": 63 }, "oklch": "oklch(0.3336 0.0164 271.05)" }

Export

Developer code

css

:root {
  --#33363f-1: #33363f;
}

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 3.58 · #3F3F46

Nearest CSS named color

Black

Very different · ΔE 15.38 · #000000

Nearest Material color

blue-grey-900

Very different · ΔE 6.06 · #263238

Nearest Bootstrap color

dark

Very different · ΔE 6.52 · #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.

50f0f5ff 100e3e7f6 200cfd4e2 300b9bdcb 4009da1ae 500818693 6006c707c 700555965 80040434f 9002b2f39 950171a24

Palette

Tints & shades

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

eeeeef dddedf cccdcf bbbcbf aaabaf 999b9f 888a8f 77797f 66686f 55585f 44474f 33363f 2f323a 2b2d35 26292f 22242a 1e1f25 1a1b20 15161a 111215 0d0e10 08090a 040505

Palette

Tints

Mixed toward white — soft backgrounds and highlights

eeeeef dddedf cccdcf bbbcbf aaabaf 999b9f 888a8f 77797f 66686f 55585f 44474f

Palette

Shades

Mixed toward black — depth, text, and emphasis

2f323a 2b2d35 26292f 22242a 1e1f25 1a1b20 15161a 111215 0d0e10 08090a 040505

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

393c44 40424a 46494f 4d4f55 53555a 5a5b60 606165 66676a 6d6e70 737475 7a7a7b

Harmony

Complementary

Opposite on the color wheel for contrast

#33363FStop 1 #3E3B32Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#323B3EStop 1 #33363FStop 2 #35323EStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#33363FStop 1 #3E3235Stop 2 #353E32Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#33363FStop 1 #3E3532Stop 2 #3B3E32Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#2D3039Stop 1 #4F5463Stop 2 #71788EStop 3 #9CA1B0Stop 4 #C6C9D2Stop 5

Using this color

Where #33363f works

#33363F (#33363f) sits in the blue family at about 225° hue, 11% saturation, and 22% lightness. Contrast is 12.07:1 on white and 1.74:1 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, #33363f is 1.74:1. 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: Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare. Common uses still include buttons, charts, and accents in the Blue 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 gray 700#374151 Web Safe #333333#333333 Tailwind gray 800#1F2937 Dracula Orchid#2D3436 Tailwind zinc 800#27272A Material Blue Grey 900#263238 Tailwind neutral 700#404040 Tailwind slate 700#334155 Bootstrap dark#212529 Midnight Blue#2C3E50 Tailwind slate 800#1E293B