#253C57#253C57

#253C57 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.056 H 253.2°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#253C57
RGB	rgb(37, 60, 87)
HSL	hsl(212, 40%, 24%)
HSV	hsv(212, 57%, 34%)
CMYK	cmyk(57.5%, 31%, 0%, 65.9%)
CIE-LAB	lab(24.68, -0.01, -18.98)
CIE-LCH	lch(24.68, 18.98, 269.97°)
OKLab	oklab(35.04% -0.016 -0.0533)
OKLCH	oklch(35.04% 0.056 253.2)
XYZ	xyz(4.0985, 4.3128, 9.6315)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C57 #574025

analogous

#255557 #253C57 #272557

triadic

#253C57 #57253C #3C5725

tetradic

#253C57 #572555 #574025 #255727

square

#253C57 #572555 #574025 #255727

split-complementary

#253C57 #572725 #555725

monochromatic

#090F15 #131E2C #253C57 #375A82 #4A77AD

Accessibility & contrast

On white

11.27

#253C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#253C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C57

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C57	#FFFFFF	#000000	##FFFFFF
##253C57	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313D58

Deuteranopia (green-blind)

#2B3856

Tritanopia (blue-blind)

#094245

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253c57;
/* rgb */ color: rgb(37, 60, 87);
/* oklch */ color: oklch(35.0% 0.056 253.2);

Tailwind

colors: {
  custom: {
    50: '#637186',
    500: '#253c57',
    950: '#000000',
  },
}

SCSS

$custom: #253c57;
$custom-light: #637186;
$custom-dark: #000000;

JSON

{
  "hex": "#253c57",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 87
  },
  "hsl": {
    "h": 212.4,
    "s": 40.323,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35037,
    "c": 0.05564,
    "h": 253.2
  },
  "luminance": 0.04313
}

Semantic roles & 50–950 ramp

primary

#253C57

secondary

#8A6E4D

accent

#9958D0

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #253C57

Body copy rendered with the generated semantic roles for this colour.

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