#255EA7#255EA7

#255EA7 is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.4% C 0.131 H 256.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#255EA7
RGBrgb(37, 94, 167)
HSLhsl(214, 64%, 40%)
HSVhsv(214, 78%, 65%)
CMYKcmyk(77.8%, 43.7%, 0%, 34.5%)
CIE-LABlab(39.89, 8.07, -44.56)
CIE-LCHlch(39.89, 45.28, 280.27°)
OKLaboklab(48.4% -0.0314 -0.1276)
OKLCHoklch(48.4% 0.131 256.2)
XYZxyz(11.7381, 11.1874, 38.0925)
Luminance0.1119 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255EA7 #A76E25
analogous
#259FA7 #255EA7 #2D25A7
triadic
#255EA7 #A7255E #5EA725
tetradic
#255EA7 #A7259F #A76E25 #25A72D
square
#255EA7 #A7259F #A76E25 #25A72D
split-complementary
#255EA7 #A72D25 #9FA725
monochromatic
#0F2643 #1A4275 #255EA7 #377BD3 #699CDE

Accessibility & contrast

On white

6.49
#255EA7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.24
#255EA7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EA7
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255EA7#FFFFFF#000000##FFFFFF
##255EA71.006.493.246.49
#FFFFFF6.491.0021.001.00
#0000003.2421.001.0021.00
##FFFFFF6.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3964AA
Deuteranopia (green-blind)
#2159A6
Tritanopia (blue-blind)
#006F7A
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #255ea7;
/* rgb */ color: rgb(37, 94, 167);
/* oklch */ color: oklch(48.4% 0.131 256.2);
Tailwind
colors: {
  custom: {
    50: '#738bc1',
    500: '#255ea7',
    950: '#000000',
  },
}
SCSS
$custom: #255ea7;
$custom-light: #738bc1;
$custom-dark: #000000;
JSON
{
  "hex": "#255ea7",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 167
  },
  "hsl": {
    "h": 213.692,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.48399,
    "c": 0.13138,
    "h": 256.2
  },
  "luminance": 0.11189
}

Semantic roles & 50–950 ramp

primary
#255EA7
secondary
#C49A64
accent
#9E41E7
background
#F7F8FB
surface
#EEF0F7
border
#C9CBD0
text
#090B12
muted
#7B7C81

Preview Lab

Preview with #255EA7

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

Preview Lab → · Contrast checker → · Palette generator →

#255EA7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva