#255F88#255F88

#255F88 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.7% C 0.090 H 243.0°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#255F88
RGB	rgb(37, 95, 136)
HSL	hsl(205, 57%, 34%)
HSV	hsv(205, 73%, 53%)
CMYK	cmyk(72.8%, 30.1%, 0%, 46.7%)
CIE-LAB	lab(38.47, -4.41, -28.22)
CIE-LCH	lch(38.47, 28.56, 261.12°)
OKLab	oklab(46.72% -0.0407 -0.0797)
OKLCH	oklch(46.72% 0.09 243)
XYZ	xyz(9.2974, 10.3543, 24.7964)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F88 #884E25

analogous

#258880 #255F88 #252E88

triadic

#255F88 #88255F #5F8825

tetradic

#255F88 #802588 #884E25 #2E8825

square

#255F88 #802588 #884E25 #2E8825

split-complementary

#255F88 #88252E #888025

monochromatic

#0B1C28 #183D58 #255F88 #3281B8 #569ED1

Accessibility & contrast

On white

6.84

#255F88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#255F88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F88

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F88	#FFFFFF	#000000	##FFFFFF
##255F88	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C608A

Deuteranopia (green-blind)

#3F5687

Tritanopia (blue-blind)

#00696D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255f88;
/* rgb */ color: rgb(37, 95, 136);
/* oklch */ color: oklch(46.7% 0.090 243.0);

Tailwind

colors: {
  custom: {
    50: '#6d8cab',
    500: '#255f88',
    950: '#000000',
  },
}

SCSS

$custom: #255f88;
$custom-light: #6d8cab;
$custom-dark: #000000;

JSON

{
  "hex": "#255f88",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 136
  },
  "hsl": {
    "h": 204.848,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.46721,
    "c": 0.08954,
    "h": 243
  },
  "luminance": 0.10355
}

Semantic roles & 50–950 ramp

primary

#255F88

secondary

#B67C53

accent

#8747E0

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #255F88

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

Preview Lab → · Contrast checker → · Palette generator →