#253A50#253A50

#253A50 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.047 H 250.5°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX#253A50
RGBrgb(37, 58, 80)
HSLhsl(211, 37%, 23%)
HSVhsv(211, 54%, 31%)
CMYKcmyk(53.7%, 27.5%, 0%, 68.6%)
CIE-LABlab(23.67, -1.16, -15.94)
CIE-LCHlch(23.67, 15.99, 265.84°)
OKLaboklab(34.13% -0.0158 -0.0445)
OKLCHoklch(34.13% 0.047 250.5)
XYZxyz(3.7235, 3.9983, 8.1634)
Luminance0.0400 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253A50 #503B25
analogous
#254F50 #253A50 #262550
triadic
#253A50 #50253A #3A5025
tetradic
#253A50 #50254F #503B25 #255026
square
#253A50 #50254F #503B25 #255026
split-complementary
#253A50 #502625 #4F5025
monochromatic
#0A0F15 #121C26 #253A50 #38587A #4C77A4

Accessibility & contrast

On white

11.67
#253A50 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#253A50 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A50
11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253A50#FFFFFF#000000##FFFFFF
##253A501.0011.671.8011.67
#FFFFFF11.671.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313B51
Deuteranopia (green-blind)
#2C3650
Tritanopia (blue-blind)
#113F42
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #253a50;
/* rgb */ color: rgb(37, 58, 80);
/* oklch */ color: oklch(34.1% 0.047 250.5);
Tailwind
colors: {
  custom: {
    50: '#627081',
    500: '#253a50',
    950: '#000000',
  },
}
SCSS
$custom: #253a50;
$custom-light: #627081;
$custom-dark: #000000;
JSON
{
  "hex": "#253a50",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 80
  },
  "hsl": {
    "h": 210.698,
    "s": 36.752,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34125,
    "c": 0.04726,
    "h": 250.5
  },
  "luminance": 0.03999
}

Semantic roles & 50–950 ramp

primary
#253A50
secondary
#83694E
accent
#955BCD
background
#F6F6F7
surface
#EBECEE
border
#C6C7C9
text
#05070A
muted
#7A7A7C

Preview Lab

Preview with #253A50

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

Preview Lab → · Contrast checker → · Palette generator →

#253A50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva