#253D4D#253D4D

#253D4D is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.041 H 238.7°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#253D4D
RGB	rgb(37, 61, 77)
HSL	hsl(204, 35%, 22%)
HSV	hsv(204, 52%, 30%)
CMYK	cmyk(51.9%, 20.8%, 0%, 69.8%)
CIE-LAB	lab(24.53, -4.18, -12.62)
CIE-LCH	lch(24.53, 13.30, 251.68°)
OKLab	oklab(34.76% -0.0213 -0.035)
OKLCH	oklch(34.76% 0.041 238.7)
XYZ	xyz(3.7708, 4.2663, 7.6445)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D4D #4D3525

analogous

#254D49 #253D4D #25294D

triadic

#253D4D #4D253D #3D4D25

tetradic

#253D4D #49254D #4D3525 #294D25

square

#253D4D #49254D #4D3525 #294D25

split-complementary

#253D4D #4D2529 #4D4925

monochromatic

#0A1015 #111C24 #253D4D #395E76 #4D7EA0

Accessibility & contrast

On white

11.33

#253D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#253D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D4D

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D4D	#FFFFFF	#000000	##FFFFFF
##253D4D	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4E

Deuteranopia (green-blind)

#30384D

Tritanopia (blue-blind)

#134142

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #253d4d;
/* rgb */ color: rgb(37, 61, 77);
/* oklch */ color: oklch(34.8% 0.041 238.7);

Tailwind

colors: {
  custom: {
    50: '#62727e',
    500: '#253d4d',
    950: '#000000',
  },
}

SCSS

$custom: #253d4d;
$custom-light: #62727e;
$custom-dark: #000000;

JSON

{
  "hex": "#253d4d",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 77
  },
  "hsl": {
    "h": 204,
    "s": 35.088,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34763,
    "c": 0.041,
    "h": 238.7
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#253D4D

secondary

#80624E

accent

#895DCB

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #253D4D

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

Preview Lab → · Contrast checker → · Palette generator →