#255583#255583

#255583 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.092 H 249.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#255583
RGBrgb(37, 85, 131)
HSLhsl(209, 56%, 33%)
HSVhsv(209, 72%, 51%)
CMYKcmyk(71.8%, 35.1%, 0%, 48.6%)
CIE-LABlab(35.06, 0.01, -30.54)
CIE-LCHlch(35.06, 30.54, 270.02°)
OKLaboklab(43.95% -0.0317 -0.0866)
OKLCHoklch(43.95% 0.092 249.9)
XYZxyz(8.1067, 8.5281, 22.6872)
Luminance0.0853 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255583 #835325
analogous
#258382 #255583 #252683
triadic
#255583 #832555 #558325
tetradic
#255583 #822583 #835325 #268325
square
#255583 #822583 #835325 #268325
split-complementary
#255583 #832526 #838225
monochromatic
#0A1724 #183653 #255583 #3274B3 #5493CF

Accessibility & contrast

On white

7.76
#255583 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#255583 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255583
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255583#FFFFFF#000000##FFFFFF
##2555831.007.762.717.76
#FFFFFF7.761.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405785
Deuteranopia (green-blind)
#334E82
Tritanopia (blue-blind)
#006066
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #255583;
/* rgb */ color: rgb(37, 85, 131);
/* oklch */ color: oklch(43.9% 0.092 249.9);
Tailwind
colors: {
  custom: {
    50: '#6c84a7',
    500: '#255583',
    950: '#000000',
  },
}
SCSS
$custom: #255583;
$custom-light: #6c84a7;
$custom-dark: #000000;
JSON
{
  "hex": "#255583",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 131
  },
  "hsl": {
    "h": 209.362,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43948,
    "c": 0.09225,
    "h": 249.9
  },
  "luminance": 0.08529
}

Semantic roles & 50–950 ramp

primary
#255583
secondary
#B38151
accent
#9249DF
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #255583

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

Preview Lab → · Contrast checker → · Palette generator →

#255583 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva