#255688#255688

#255688 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.098 H 251.4°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#255688
RGBrgb(37, 86, 136)
HSLhsl(210, 57%, 34%)
HSVhsv(210, 73%, 53%)
CMYKcmyk(72.8%, 36.8%, 0%, 46.7%)
CIE-LABlab(35.65, 1.27, -32.67)
CIE-LCHlch(35.65, 32.69, 272.23°)
OKLaboklab(44.5% -0.0313 -0.0928)
OKLCHoklch(44.5% 0.098 251.4)
XYZxyz(8.5330, 8.8255, 24.5416)
Luminance0.0883 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255688 #885725
analogous
#258888 #255688 #262588
triadic
#255688 #882556 #568825
tetradic
#255688 #882588 #885725 #258826
square
#255688 #882588 #885725 #258826
split-complementary
#255688 #882625 #888825
monochromatic
#0B1928 #183858 #255688 #3274B8 #5693D1

Accessibility & contrast

On white

7.59
#255688 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#255688 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255688
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255688#FFFFFF#000000##FFFFFF
##2556881.007.592.777.59
#FFFFFF7.591.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F598A
Deuteranopia (green-blind)
#315087
Tritanopia (blue-blind)
#006268
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #255688;
/* rgb */ color: rgb(37, 86, 136);
/* oklch */ color: oklch(44.5% 0.098 251.4);
Tailwind
colors: {
  custom: {
    50: '#6d85ab',
    500: '#255688',
    950: '#000000',
  },
}
SCSS
$custom: #255688;
$custom-light: #6d85ab;
$custom-dark: #000000;
JSON
{
  "hex": "#255688",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 136
  },
  "hsl": {
    "h": 210.303,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44498,
    "c": 0.09799,
    "h": 251.4
  },
  "luminance": 0.08826
}

Semantic roles & 50–950 ramp

primary
#255688
secondary
#B68553
accent
#9547E0
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #255688

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

Preview Lab → · Contrast checker → · Palette generator →

#255688 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva