#255DA9#255DA9

#255DA9 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.3% C 0.135 H 257.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#255DA9
RGBrgb(37, 93, 169)
HSLhsl(215, 64%, 40%)
HSVhsv(215, 78%, 66%)
CMYKcmyk(78.1%, 45%, 0%, 33.7%)
CIE-LABlab(39.72, 9.50, -46.01)
CIE-LCHlch(39.72, 46.98, 281.66°)
OKLaboklab(48.31% -0.0301 -0.1319)
OKLCHoklch(48.31% 0.135 257.1)
XYZxyz(11.8361, 11.0852, 39.0443)
Luminance0.1109 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255DA9 #A97125
analogous
#259FA9 #255DA9 #2F25A9
triadic
#255DA9 #A9255D #5DA925
tetradic
#255DA9 #A9259F #A97125 #25A92F
square
#255DA9 #A9259F #A97125 #25A92F
split-complementary
#255DA9 #A92F25 #9FA925
monochromatic
#0F2645 #1A4177 #255DA9 #387AD3 #6A9BDE

Accessibility & contrast

On white

6.53
#255DA9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.22
#255DA9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DA9
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255DA9#FFFFFF#000000##FFFFFF
##255DA91.006.533.226.53
#FFFFFF6.531.0021.001.00
#0000003.2221.001.0021.00
##FFFFFF6.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3664AC
Deuteranopia (green-blind)
#1A58A7
Tritanopia (blue-blind)
#006F7B
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #255da9;
/* rgb */ color: rgb(37, 93, 169);
/* oklch */ color: oklch(48.3% 0.135 257.1);
Tailwind
colors: {
  custom: {
    50: '#748ac3',
    500: '#255da9',
    950: '#000000',
  },
}
SCSS
$custom: #255da9;
$custom-light: #748ac3;
$custom-dark: #000000;
JSON
{
  "hex": "#255da9",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 214.545,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48307,
    "c": 0.13528,
    "h": 257.1
  },
  "luminance": 0.11087
}

Semantic roles & 50–950 ramp

primary
#255DA9
secondary
#C49C65
accent
#A141E7
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #255DA9

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

Preview Lab → · Contrast checker → · Palette generator →

#255DA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva