#255D9E#255D9E

#255D9E is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.6% C 0.120 H 254.3°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#255D9E
RGBrgb(37, 93, 158)
HSLhsl(212, 62%, 38%)
HSVhsv(212, 77%, 62%)
CMYKcmyk(76.6%, 41.1%, 0%, 38%)
CIE-LABlab(39.05, 5.23, -40.55)
CIE-LCHlch(39.05, 40.88, 277.35°)
OKLaboklab(47.57% -0.0325 -0.1158)
OKLCHoklch(47.57% 0.12 254.3)
XYZxyz(10.8466, 10.6894, 33.8327)
Luminance0.1069 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255D9E #9E6625
analogous
#25999E #255D9E #29259E
triadic
#255D9E #9E255D #5D9E25
tetradic
#255D9E #9E2599 #9E6625 #259E29
square
#255D9E #9E2599 #9E6625 #259E29
split-complementary
#255D9E #9E2925 #999E25
monochromatic
#0E233B #19406C #255D9E #317ACF #639ADA

Accessibility & contrast

On white

6.69
#255D9E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#255D9E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D9E
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255D9E#FFFFFF#000000##FFFFFF
##255D9E1.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E62A1
Deuteranopia (green-blind)
#2A579D
Tritanopia (blue-blind)
#006C76
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #255d9e;
/* rgb */ color: rgb(37, 93, 158);
/* oklch */ color: oklch(47.6% 0.120 254.3);
Tailwind
colors: {
  custom: {
    50: '#718abb',
    500: '#255d9e',
    950: '#000000',
  },
}
SCSS
$custom: #255d9e;
$custom-light: #718abb;
$custom-dark: #000000;
JSON
{
  "hex": "#255d9e",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 158
  },
  "hsl": {
    "h": 212.231,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47568,
    "c": 0.12029,
    "h": 254.3
  },
  "luminance": 0.10691
}

Semantic roles & 50–950 ramp

primary
#255D9E
secondary
#C0935F
accent
#9A43E5
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #255D9E

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

Preview Lab → · Contrast checker → · Palette generator →

#255D9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva