#25403A

Accessibility

AAA

11.21:1

Vs white / black

11.21:1 · 1.87:1

Sources

Library color

Codes

Formats

HEX

#25403a

RGB

rgb(37, 64, 58)

RGBA

rgba(37, 64, 58, 1)

HSL

hsl(167, 27%, 20%)

HSLA

hsla(167, 27%, 20%, 1)

HSV

hsv(167, 42%, 25%)

LAB

lab(24.84% -11.96 0.42)

LCH

lch(24.84% 11.97 177.99)

OKLAB

oklab(0.3477 -0.0348 0.0009)

OKLCH

oklch(0.3477 0.0348 178.52)

XYZ

xyz(3.36, 4.37, 4.67)

CMYK

cmyk(42%, 0%, 9%, 75%)

CSS

color: #25403a;

CSS variable

--color-25403a: #25403a;

SCSS

$color-25403a: #25403a;

JavaScript

const color = "#25403a";

TypeScript

const color: string = "#25403a";

React

style={{ backgroundColor: "#25403a" }}

JSON

{ "hex": "#25403a", "rgb": { "r": 37, "g": 64, "b": 58 }, "oklch": "oklch(0.3477 0.0348 178.52)" }

Export

Developer code

css

:root {
  --#25403a-1: #25403a;
}

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 6.59 · #042F2E

Nearest CSS named color

DarkSlateGray

Very different · ΔE 5.89 · #2F4F4F

Nearest Material color

teal-900

Very different · ΔE 8.55 · #004D40

Nearest Bootstrap color

dark

Very different · ΔE 14.34 · #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.

50e7faf5 100d8ede8 200c2dad4 300a9c5be 4008ba9a2 500708d86 6005d7670 700495f59 800374844 90024322f 950101e1b

Palette

Tints & shades

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

edefef dbdfde c9cfce b6bfbd a4afad 92a09d 80908c 6e807c 5c706b 49605b 37504a 25403a 223b35 1f3530 1c302c 192b27 162522 13201d 0f1b18 0c1513 09100f 060b0a 030505

Palette

Tints

Mixed toward white — soft backgrounds and highlights

edefef dbdfde c9cfce b6bfbd a4afad 92a09d 80908c 6e807c 5c706b 49605b 37504a

Palette

Shades

Mixed toward black — depth, text, and emphasis

223b35 1f3530 1c302c 192b27 162522 13201d 0f1b18 0c1513 09100f 060b0a 030505

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

2d4540 344b46 3c504c 435551 4b5b57 53605d 5a6563 626b69 69706f 717574 787b7a

Harmony

Complementary

Opposite on the color wheel for contrast

#25403AStop 1 #41252BStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#25412DStop 1 #25403AStop 2 #253941Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#25403AStop 1 #3B2541Stop 2 #413B25Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#25403AStop 1 #412539Stop 2 #412D25Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#25413BStop 1 #417167Stop 2 #5DA293Stop 3 #8EBEB3Stop 4 #BEDAD4Stop 5

Using this color

Where #25403a works

#25403A (#25403a) sits in the teal family at about 167° hue, 27% saturation, and 20% lightness. Contrast is 11.21:1 on white and 1.87:1 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, #25403a is 1.87:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Balance, healing, and sophistication. Popular in wellness and modern dashboards. Common uses still include buttons, charts, and accents in the Teal range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

DarkSlateGray#2F4F4F Web Safe #003333#003333 Tailwind teal 950#042F2E Tailwind teal 900#134E4A Tailwind emerald 950#022C22 Material Teal 900#004D40 Tailwind emerald 900#064E3B Dracula Orchid#2D3436 Material Blue Grey 800#37474F Material Blue Grey 900#263238 Tailwind green 950#052E16 Tailwind teal 800#115E59