#253B59#253B59

#253B59 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.9% C 0.060 H 256.4°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#253B59
RGB	rgb(37, 59, 89)
HSL	hsl(215, 41%, 25%)
HSV	hsv(215, 58%, 35%)
CMYK	cmyk(58.4%, 33.7%, 0%, 65.1%)
CIE-LAB	lab(24.46, 1.39, -20.63)
CIE-LCH	lch(24.46, 20.68, 273.86°)
OKLab	oklab(34.9% -0.014 -0.0581)
OKLCH	oklch(34.9% 0.06 256.4)
XYZ	xyz(4.1295, 4.2422, 10.0505)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B59 #594325

analogous

#255559 #253B59 #292559

triadic

#253B59 #59253B #3B5925

tetradic

#253B59 #592555 #594325 #255929

square

#253B59 #592555 #594325 #255929

split-complementary

#253B59 #592925 #555925

monochromatic

#090E16 #131E2E #253B59 #375884 #4974AF

Accessibility & contrast

On white

11.36

#253B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#253B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B59

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B59	#FFFFFF	#000000	##FFFFFF
##253B59	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D5A

Deuteranopia (green-blind)

#283858

Tritanopia (blue-blind)

#074246

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #253b59;
/* rgb */ color: rgb(37, 59, 89);
/* oklch */ color: oklch(34.9% 0.060 256.4);

Tailwind

colors: {
  custom: {
    50: '#647088',
    500: '#253b59',
    950: '#000000',
  },
}

SCSS

$custom: #253b59;
$custom-light: #647088;
$custom-dark: #000000;

JSON

{
  "hex": "#253b59",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 89
  },
  "hsl": {
    "h": 214.615,
    "s": 41.27,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34896,
    "c": 0.05975,
    "h": 256.4
  },
  "luminance": 0.04243
}

Semantic roles & 50–950 ramp

primary

#253B59

secondary

#8C724D

accent

#9D57D1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #253B59

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

Preview Lab → · Contrast checker → · Palette generator →