#233B3C

Accessibility

AAA

11.92:1

Vs white / black

11.92:1 · 1.76:1

Sources

Library color

Codes

Formats

HEX

#233b3c

RGB

rgb(35, 59, 60)

RGBA

rgba(35, 59, 60, 1)

HSL

hsl(182, 26%, 19%)

HSLA

hsla(182, 26%, 19%, 1)

HSV

hsv(182, 42%, 24%)

LAB

lab(23.04% -8.99 -3.58)

LCH

lch(23.04% 9.68 201.71)

OKLAB

oklab(0.3331 -0.0283 -0.0098)

OKLCH

oklch(0.3331 0.0299 199.1)

XYZ

xyz(3.07, 3.81, 4.85)

CMYK

cmyk(42%, 2%, 0%, 76%)

CSS

color: #233b3c;

CSS variable

--color-233b3c: #233b3c;

SCSS

$color-233b3c: #233b3c;

JavaScript

const color = "#233b3c";

TypeScript

const color: string = "#233b3c";

React

style={{ backgroundColor: "#233b3c" }}

JSON

{ "hex": "#233b3c", "rgb": { "r": 35, "g": 59, "b": 60 }, "oklch": "oklch(0.3331 0.0299 199.1)" }

Export

Developer code

css

:root {
  --#233b3c-1: #233b3c;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

teal-950

Very different · ΔE 6.18 · #042F2E

Nearest CSS named color

DarkSlateGray

Very different · ΔE 6.6 · #2F4F4F

Nearest Material color

blue-grey-900

Very different · ΔE 6.85 · #263238

Nearest Bootstrap color

dark

Very different · ΔE 11.03 · #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.

50e7fafa 100d9eced 200c4d9da 300abc3c4 4008da8a8 500728c8d 6005e7576 7004b5e5e 800374748 900233233 9500f1d1e

Palette

Tints & shades

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

edefef dadedf c8cece b6bebe a3adae 919d9e 7f8d8d 6c7c7d 5a6c6d 485c5d 354b4c 233b3c 203637 1d3132 1a2c2d 172728 142223 121e1e 0f1919 0c1414 090f0f 060a0a 030505

Palette

Tints

Mixed toward white — soft backgrounds and highlights

edefef dadedf c8cece b6bebe a3adae 919d9e 7f8d8d 6c7c7d 5a6c6d 485c5d 354b4c

Palette

Shades

Mixed toward black — depth, text, and emphasis

203637 1d3132 1a2c2d 172728 142223 121e1e 0f1919 0c1414 090f0f 060a0a 030505

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

2b4142 334747 3a4c4d 425253 4a5858 525e5e 596364 616969 696f6f 717575 787a7a

Harmony

Complementary

Opposite on the color wheel for contrast

#233B3CStop 1 #3D2524Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#243D31Stop 1 #233B3CStop 2 #24303DStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#233B3CStop 1 #3D243CStop 2 #3C3D24Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#233B3CStop 1 #3D2430Stop 2 #3D3124Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#263F40Stop 1 #426F70Stop 2 #5E9EA1Stop 3 #8FBBBDStop 4 #BFD8D9Stop 5

Using this color

Where #233b3c works

#233B3C (#233b3c) sits in the cyan family at about 182° hue, 26% saturation, and 19% lightness. Contrast is 11.92:1 on white and 1.76:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: teal-950 (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, #233b3c is 1.76:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Freshness, clarity, and innovation. Great for tech accents and clean digital products. Common uses still include buttons, charts, and accents in the Cyan range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Web Safe #003333#003333 Tailwind teal 950#042F2E DarkSlateGray#2F4F4F Material Blue Grey 900#263238 Dracula Orchid#2D3436 Material Blue Grey 800#37474F Tailwind cyan 950#083344 Tailwind teal 900#134E4A Tailwind emerald 950#022C22 Web Safe #333333#333333 Tailwind cyan 900#164E63 Tailwind neutral 700#404040