#255A9F#255A9F

#255A9F is a mid, vivid cyan. Relative luminance 0.102; OKLCH L 46.9% C 0.125 H 256.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#255A9F
RGBrgb(37, 90, 159)
HSLhsl(214, 62%, 38%)
HSVhsv(214, 77%, 62%)
CMYKcmyk(76.7%, 43.4%, 0%, 37.6%)
CIE-LABlab(38.21, 7.56, -42.48)
CIE-LCHlch(38.21, 43.15, 280.09°)
OKLaboklab(46.94% -0.0295 -0.1216)
OKLCHoklch(46.94% 0.125 256.4)
XYZxyz(10.6748, 10.2076, 34.2018)
Luminance0.1021 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255A9F #9F6A25
analogous
#25979F #255A9F #2D259F
triadic
#255A9F #9F255A #5A9F25
tetradic
#255A9F #9F2597 #9F6A25 #259F2D
square
#255A9F #9F2597 #9F6A25 #259F2D
split-complementary
#255A9F #9F2D25 #979F25
monochromatic
#0E223C #193E6D #255A9F #3276CF #6497DB

Accessibility & contrast

On white

6.90
#255A9F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#255A9F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255A9F
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255A9F#FFFFFF#000000##FFFFFF
##255A9F1.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3860A2
Deuteranopia (green-blind)
#22559E
Tritanopia (blue-blind)
#006A74
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #255a9f;
/* rgb */ color: rgb(37, 90, 159);
/* oklch */ color: oklch(46.9% 0.125 256.4);
Tailwind
colors: {
  custom: {
    50: '#7188bc',
    500: '#255a9f',
    950: '#000000',
  },
}
SCSS
$custom: #255a9f;
$custom-light: #7188bc;
$custom-dark: #000000;
JSON
{
  "hex": "#255a9f",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 159
  },
  "hsl": {
    "h": 213.934,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.46935,
    "c": 0.1251,
    "h": 256.4
  },
  "luminance": 0.10209
}

Semantic roles & 50–950 ramp

primary
#255A9F
secondary
#C0965F
accent
#9F42E5
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #255A9F

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

Preview Lab → · Contrast checker → · Palette generator →

#255A9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva