#255B88#255B88

#255B88 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.7% C 0.093 H 246.9°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX#255B88
RGBrgb(37, 91, 136)
HSLhsl(207, 57%, 34%)
HSVhsv(207, 73%, 53%)
CMYKcmyk(72.8%, 33.1%, 0%, 46.7%)
CIE-LABlab(37.21, -1.91, -30.20)
CIE-LCHlch(37.21, 30.26, 266.37°)
OKLaboklab(45.73% -0.0365 -0.0856)
OKLCHoklch(45.73% 0.093 246.9)
XYZxyz(8.9463, 9.6521, 24.6793)
Luminance0.0965 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255B88 #885225
analogous
#258884 #255B88 #252A88
triadic
#255B88 #88255B #5B8825
tetradic
#255B88 #842588 #885225 #2A8825
square
#255B88 #842588 #885225 #2A8825
split-complementary
#255B88 #88252A #888425
monochromatic
#0B1B28 #183B58 #255B88 #327BB8 #5699D1

Accessibility & contrast

On white

7.17
#255B88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#255B88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B88
7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255B88#FFFFFF#000000##FFFFFF
##255B881.007.172.937.17
#FFFFFF7.171.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#475D8A
Deuteranopia (green-blind)
#395387
Tritanopia (blue-blind)
#00666B
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #255b88;
/* rgb */ color: rgb(37, 91, 136);
/* oklch */ color: oklch(45.7% 0.093 246.9);
Tailwind
colors: {
  custom: {
    50: '#6d89ab',
    500: '#255b88',
    950: '#000000',
  },
}
SCSS
$custom: #255b88;
$custom-light: #6d89ab;
$custom-dark: #000000;
JSON
{
  "hex": "#255b88",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 136
  },
  "hsl": {
    "h": 207.273,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45726,
    "c": 0.09303,
    "h": 246.9
  },
  "luminance": 0.09653
}

Semantic roles & 50–950 ramp

primary
#255B88
secondary
#B68053
accent
#8D47E0
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #255B88

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

Preview Lab → · Contrast checker → · Palette generator →

#255B88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva