#255381#255381

#255381 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.092 H 250.8°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX#255381
RGBrgb(37, 83, 129)
HSLhsl(210, 55%, 33%)
HSVhsv(210, 71%, 51%)
CMYKcmyk(71.3%, 35.7%, 0%, 49.4%)
CIE-LABlab(34.32, 0.54, -30.47)
CIE-LCHlch(34.32, 30.47, 271.01°)
OKLaboklab(43.33% -0.0302 -0.0865)
OKLCHoklch(43.33% 0.092 250.8)
XYZxyz(7.8172, 8.1640, 21.9284)
Luminance0.0817 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255381 #815325
analogous
#258181 #255381 #252581
triadic
#255381 #812553 #538125
tetradic
#255381 #812581 #815325 #258125
square
#255381 #812581 #815325 #258125
split-complementary
#255381 #812525 #818125
monochromatic
#0A1622 #173451 #255381 #3372B1 #5390CE

Accessibility & contrast

On white

7.98
#255381 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#255381 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255381
7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255381#FFFFFF#000000##FFFFFF
##2553811.007.982.637.98
#FFFFFF7.981.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E5583
Deuteranopia (green-blind)
#314D80
Tritanopia (blue-blind)
#005E64
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #255381;
/* rgb */ color: rgb(37, 83, 129);
/* oklch */ color: oklch(43.3% 0.092 250.8);
Tailwind
colors: {
  custom: {
    50: '#6b83a6',
    500: '#255381',
    950: '#000000',
  },
}
SCSS
$custom: #255381;
$custom-light: #6b83a6;
$custom-dark: #000000;
JSON
{
  "hex": "#255381",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 129
  },
  "hsl": {
    "h": 210,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43334,
    "c": 0.09158,
    "h": 250.8
  },
  "luminance": 0.08165
}

Semantic roles & 50–950 ramp

primary
#255381
secondary
#B28150
accent
#9449DF
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #255381

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

Preview Lab → · Contrast checker → · Palette generator →

#255381 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva