#253F50#253F50

#253F50 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.044 H 238.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX#253F50
RGBrgb(37, 63, 80)
HSLhsl(204, 37%, 23%)
HSVhsv(204, 54%, 31%)
CMYKcmyk(53.7%, 21.2%, 0%, 68.6%)
CIE-LABlab(25.34, -4.46, -13.36)
CIE-LCHlch(25.34, 14.08, 251.53°)
OKLaboklab(35.45% -0.0229 -0.0371)
OKLCHoklch(35.45% 0.044 238.4)
XYZxyz(3.9879, 4.5272, 8.2516)
Luminance0.0453 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253F50 #503625
analogous
#25504B #253F50 #252950
triadic
#253F50 #50253F #3F5025
tetradic
#253F50 #4B2550 #503625 #295025
square
#253F50 #4B2550 #503625 #295025
split-complementary
#253F50 #502529 #504B25
monochromatic
#0A1015 #121E26 #253F50 #38607A #4C81A4

Accessibility & contrast

On white

11.02
#253F50 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#253F50 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F50
11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253F50#FFFFFF#000000##FFFFFF
##253F501.0011.021.9111.02
#FFFFFF11.021.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#373F51
Deuteranopia (green-blind)
#313A50
Tritanopia (blue-blind)
#104345
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #253f50;
/* rgb */ color: rgb(37, 63, 80);
/* oklch */ color: oklch(35.4% 0.044 238.4);
Tailwind
colors: {
  custom: {
    50: '#637481',
    500: '#253f50',
    950: '#000000',
  },
}
SCSS
$custom: #253f50;
$custom-light: #637481;
$custom-dark: #000000;
JSON
{
  "hex": "#253f50",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 80
  },
  "hsl": {
    "h": 203.721,
    "s": 36.752,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35448,
    "c": 0.0436,
    "h": 238.4
  },
  "luminance": 0.04528
}

Semantic roles & 50–950 ramp

primary
#253F50
secondary
#83634E
accent
#885BCD
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#05080A
muted
#7A7B7C

Preview Lab

Preview with #253F50

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

Preview Lab → · Contrast checker → · Palette generator →

#253F50 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva