#253D50#253D50

#253D50 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.045 H 243.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#253D50
RGB	rgb(37, 61, 80)
HSL	hsl(207, 37%, 23%)
HSV	hsv(207, 54%, 31%)
CMYK	cmyk(53.7%, 23.7%, 0%, 68.6%)
CIE-LAB	lab(24.67, -3.15, -14.39)
CIE-LCH	lch(24.67, 14.73, 257.64°)
OKLab	oklab(34.92% -0.02 -0.0401)
OKLCH	oklch(34.92% 0.045 243.4)
XYZ	xyz(3.8792, 4.3097, 8.2153)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D50 #503825

analogous

#25504D #253D50 #252750

triadic

#253D50 #50253D #3D5025

tetradic

#253D50 #4D2550 #503825 #275025

square

#253D50 #4D2550 #503825 #275025

split-complementary

#253D50 #502527 #504D25

monochromatic

#0A1015 #121D26 #253D50 #385D7A #4C7DA4

Accessibility & contrast

On white

11.28

#253D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#253D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D50

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D50	#FFFFFF	#000000	##FFFFFF
##253D50	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D51

Deuteranopia (green-blind)

#2F3950

Tritanopia (blue-blind)

#104243

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253d50;
/* rgb */ color: rgb(37, 61, 80);
/* oklch */ color: oklch(34.9% 0.045 243.4);

Tailwind

colors: {
  custom: {
    50: '#637281',
    500: '#253d50',
    950: '#000000',
  },
}

SCSS

$custom: #253d50;
$custom-light: #637281;
$custom-dark: #000000;

JSON

{
  "hex": "#253d50",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 80
  },
  "hsl": {
    "h": 206.512,
    "s": 36.752,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34916,
    "c": 0.04482,
    "h": 243.4
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#253D50

secondary

#83654E

accent

#8D5BCD

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #253D50

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

Preview Lab → · Contrast checker → · Palette generator →