#253E4B#253E4B

#253E4B is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.038 H 232.0°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX#253E4B
RGBrgb(37, 62, 75)
HSLhsl(201, 34%, 22%)
HSVhsv(201, 51%, 29%)
CMYKcmyk(50.7%, 17.3%, 0%, 70.6%)
CIE-LABlab(24.78, -5.50, -10.92)
CIE-LCHlch(24.78, 12.23, 243.25°)
OKLaboklab(34.93% -0.0236 -0.0302)
OKLCHoklch(34.93% 0.038 232)
XYZxyz(3.7551, 4.3463, 7.2963)
Luminance0.0435 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253E4B #4B3225
analogous
#254B45 #253E4B #252B4B
triadic
#253E4B #4B253E #3E4B25
tetradic
#253E4B #45254B #4B3225 #2B4B25
square
#253E4B #45254B #4B3225 #2B4B25
split-complementary
#253E4B #4B252B #4B4525
monochromatic
#0A1114 #111C22 #253E4B #396074 #4D829D

Accessibility & contrast

On white

11.23
#253E4B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#253E4B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E4B
11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253E4B#FFFFFF#000000##FFFFFF
##253E4B1.0011.231.8711.23
#FFFFFF11.231.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383D4C
Deuteranopia (green-blind)
#32394B
Tritanopia (blue-blind)
#144242
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #253e4b;
/* rgb */ color: rgb(37, 62, 75);
/* oklch */ color: oklch(34.9% 0.038 232.0);
Tailwind
colors: {
  custom: {
    50: '#62737d',
    500: '#253e4b',
    950: '#000000',
  },
}
SCSS
$custom: #253e4b;
$custom-light: #62737d;
$custom-dark: #000000;
JSON
{
  "hex": "#253e4b",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 200.526,
    "s": 33.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34933,
    "c": 0.03832,
    "h": 232
  },
  "luminance": 0.04347
}

Semantic roles & 50–950 ramp

primary
#253E4B
secondary
#7E5E4E
accent
#835ECA
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#050809
muted
#797B7B

Preview Lab

Preview with #253E4B

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

Preview Lab → · Contrast checker → · Palette generator →

#253E4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva