#255CA8#255CA8

#255CA8 is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 48.0% C 0.135 H 257.4°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX#255CA8
RGBrgb(37, 92, 168)
HSLhsl(215, 64%, 40%)
HSVhsv(215, 78%, 66%)
CMYKcmyk(78%, 45.2%, 0%, 34.1%)
CIE-LABlab(39.37, 9.76, -45.99)
CIE-LCHlch(39.37, 47.02, 281.98°)
OKLaboklab(48.01% -0.0294 -0.1318)
OKLCHoklch(48.01% 0.135 257.4)
XYZxyz(11.6554, 10.8734, 38.5227)
Luminance0.1087 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255CA8 #A87125
analogous
#259DA8 #255CA8 #2F25A8
triadic
#255CA8 #A8255C #5CA825
tetradic
#255CA8 #A8259D #A87125 #25A82F
square
#255CA8 #A8259D #A87125 #25A82F
split-complementary
#255CA8 #A82F25 #9DA825
monochromatic
#0F2544 #1A4176 #255CA8 #3779D3 #699ADE

Accessibility & contrast

On white

6.61
#255CA8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#255CA8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CA8
6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255CA8#FFFFFF#000000##FFFFFF
##255CA81.006.613.186.61
#FFFFFF6.611.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3563AB
Deuteranopia (green-blind)
#1957A6
Tritanopia (blue-blind)
#006E7A
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #255ca8;
/* rgb */ color: rgb(37, 92, 168);
/* oklch */ color: oklch(48.0% 0.135 257.4);
Tailwind
colors: {
  custom: {
    50: '#7389c2',
    500: '#255ca8',
    950: '#000000',
  },
}
SCSS
$custom: #255ca8;
$custom-light: #7389c2;
$custom-dark: #000000;
JSON
{
  "hex": "#255ca8",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 168
  },
  "hsl": {
    "h": 214.809,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4801,
    "c": 0.1351,
    "h": 257.4
  },
  "luminance": 0.10875
}

Semantic roles & 50–950 ramp

primary
#255CA8
secondary
#C49C65
accent
#A141E7
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #255CA8

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

Preview Lab → · Contrast checker → · Palette generator →

#255CA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva