#255A8E#255A8E

#255A8E is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.8% C 0.102 H 250.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX#255A8E
RGBrgb(37, 90, 142)
HSLhsl(210, 59%, 35%)
HSVhsv(210, 74%, 56%)
CMYKcmyk(73.9%, 36.6%, 0%, 44.3%)
CIE-LABlab(37.22, 1.00, -33.83)
CIE-LCHlch(37.22, 33.84, 271.69°)
OKLaboklab(45.84% -0.0337 -0.0962)
OKLCHoklch(45.84% 0.102 250.7)
XYZxyz(9.2998, 9.6576, 26.9599)
Luminance0.0966 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255A8E #8E5925
analogous
#258E8D #255A8E #25268E
triadic
#255A8E #8E255A #5A8E25
tetradic
#255A8E #8D258E #8E5925 #268E25
square
#255A8E #8D258E #8E5925 #268E25
split-complementary
#255A8E #8E2526 #8E8D25
monochromatic
#0C1C2D #183B5D #255A8E #3279BF #5A97D4

Accessibility & contrast

On white

7.16
#255A8E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#255A8E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A8E
7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255A8E#FFFFFF#000000##FFFFFF
##255A8E1.007.162.937.16
#FFFFFF7.161.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#425D90
Deuteranopia (green-blind)
#33538D
Tritanopia (blue-blind)
#00666D
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #255a8e;
/* rgb */ color: rgb(37, 90, 142);
/* oklch */ color: oklch(45.8% 0.102 250.7);
Tailwind
colors: {
  custom: {
    50: '#6e88af',
    500: '#255a8e',
    950: '#000000',
  },
}
SCSS
$custom: #255a8e;
$custom-light: #6e88af;
$custom-dark: #000000;
JSON
{
  "hex": "#255a8e",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 142
  },
  "hsl": {
    "h": 209.714,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4584,
    "c": 0.10192,
    "h": 250.7
  },
  "luminance": 0.09659
}

Semantic roles & 50–950 ramp

primary
#255A8E
secondary
#B98756
accent
#9346E2
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080B10
muted
#7B7C7F

Preview Lab

Preview with #255A8E

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

Preview Lab → · Contrast checker → · Palette generator →

#255A8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva