#253E5D#253E5D

#253E5D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.062 H 254.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#253E5D
RGB	rgb(37, 62, 93)
HSL	hsl(213, 43%, 25%)
HSV	hsv(213, 60%, 36%)
CMYK	cmyk(60.2%, 33.3%, 0%, 63.5%)
CIE-LAB	lab(25.65, 0.83, -21.37)
CIE-LCH	lch(25.65, 21.39, 272.23°)
OKLab	oklab(35.9% -0.0167 -0.0602)
OKLCH	oklch(35.9% 0.062 254.5)
XYZ	xyz(4.4607, 4.6285, 11.0121)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E5D #5D4425

analogous

#255A5D #253E5D #28255D

triadic

#253E5D #5D253E #3E5D25

tetradic

#253E5D #5D255A #5D4425 #255D28

square

#253E5D #5D255A #5D4425 #255D28

split-complementary

#253E5D #5D2825 #5A5D25

monochromatic

#090F16 #142131 #253E5D #365B89 #4878B5

Accessibility & contrast

On white

10.90

#253E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E5D

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E5D	#FFFFFF	#000000	##FFFFFF
##253E5D	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31405E

Deuteranopia (green-blind)

#2A3A5C

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253e5d;
/* rgb */ color: rgb(37, 62, 93);
/* oklch */ color: oklch(35.9% 0.062 254.5);

Tailwind

colors: {
  custom: {
    50: '#64738b',
    500: '#253e5d',
    950: '#000000',
  },
}

SCSS

$custom: #253e5d;
$custom-light: #64738b;
$custom-dark: #000000;

JSON

{
  "hex": "#253e5d",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 93
  },
  "hsl": {
    "h": 213.214,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35899,
    "c": 0.06247,
    "h": 254.5
  },
  "luminance": 0.04629
}

Semantic roles & 50–950 ramp

primary

#253E5D

secondary

#90724D

accent

#9B55D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #253E5D

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

Preview Lab → · Contrast checker → · Palette generator →