#253B53#253B53

#253B53 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.6% C 0.051 H 251.5°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#253B53
RGB	rgb(37, 59, 83)
HSL	hsl(211, 38%, 24%)
HSV	hsv(211, 55%, 33%)
CMYK	cmyk(55.4%, 28.9%, 0%, 67.5%)
CIE-LAB	lab(24.15, -0.77, -17.18)
CIE-LCH	lch(24.15, 17.20, 267.43°)
OKLab	oklab(34.55% -0.0161 -0.0481)
OKLCH	oklch(34.55% 0.051 251.5)
XYZ	xyz(3.8877, 4.1455, 8.7772)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B53 #533D25

analogous

#255253 #253B53 #262553

triadic

#253B53 #53253B #3B5325

tetradic

#253B53 #532552 #533D25 #255326

square

#253B53 #532552 #533D25 #255326

split-complementary

#253B53 #532625 #525325

monochromatic

#090F15 #121D29 #253B53 #38597D #4B77A8

Accessibility & contrast

On white

11.48

#253B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#253B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B53

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B53	#FFFFFF	#000000	##FFFFFF
##253B53	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C54

Deuteranopia (green-blind)

#2C3753

Tritanopia (blue-blind)

#0E4043

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #253b53;
/* rgb */ color: rgb(37, 59, 83);
/* oklch */ color: oklch(34.6% 0.051 251.5);

Tailwind

colors: {
  custom: {
    50: '#637083',
    500: '#253b53',
    950: '#000000',
  },
}

SCSS

$custom: #253b53;
$custom-light: #637083;
$custom-dark: #000000;

JSON

{
  "hex": "#253b53",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 211.304,
    "s": 38.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34552,
    "c": 0.05071,
    "h": 251.5
  },
  "luminance": 0.04146
}

Semantic roles & 50–950 ramp

primary

#253B53

secondary

#866B4D

accent

#965ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #253B53

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

Preview Lab → · Contrast checker → · Palette generator →