#255A91#255A91

#255A91 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.106 H 251.9°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX#255A91
RGBrgb(37, 90, 145)
HSLhsl(211, 59%, 36%)
HSVhsv(211, 74%, 57%)
CMYKcmyk(74.5%, 37.9%, 0%, 43.1%)
CIE-LABlab(37.39, 2.15, -35.38)
CIE-LCHlch(37.39, 35.45, 273.48°)
OKLaboklab(46.03% -0.0329 -0.1007)
OKLCHoklch(46.03% 0.106 251.9)
XYZxyz(9.5280, 9.7489, 28.1621)
Luminance0.0975 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255A91 #915C25
analogous
#259091 #255A91 #262591
triadic
#255A91 #91255A #5A9125
tetradic
#255A91 #912590 #915C25 #259126
square
#255A91 #912590 #915C25 #259126
split-complementary
#255A91 #912625 #909125
monochromatic
#0C1D2F #193C60 #255A91 #3178C2 #5B97D5

Accessibility & contrast

On white

7.12
#255A91 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#255A91 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A91
7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255A91#FFFFFF#000000##FFFFFF
##255A911.007.122.957.12
#FFFFFF7.121.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#415D93
Deuteranopia (green-blind)
#315390
Tritanopia (blue-blind)
#00676E
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #255a91;
/* rgb */ color: rgb(37, 90, 145);
/* oklch */ color: oklch(46.0% 0.106 251.9);
Tailwind
colors: {
  custom: {
    50: '#6e88b1',
    500: '#255a91',
    950: '#000000',
  },
}
SCSS
$custom: #255a91;
$custom-light: #6e88b1;
$custom-dark: #000000;
JSON
{
  "hex": "#255a91",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 145
  },
  "hsl": {
    "h": 210.556,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.46025,
    "c": 0.10595,
    "h": 251.9
  },
  "luminance": 0.0975
}

Semantic roles & 50–950 ramp

primary
#255A91
secondary
#BA8A58
accent
#9545E3
background
#F7F8FA
surface
#EDEFF5
border
#C8CACF
text
#080B11
muted
#7B7C80

Preview Lab

Preview with #255A91

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

Preview Lab → · Contrast checker → · Palette generator →

#255A91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva