#255D8D#255D8D

#255D8D is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.5% C 0.098 H 247.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#255D8D
RGB	rgb(37, 93, 141)
HSL	hsl(208, 58%, 35%)
HSV	hsv(208, 74%, 55%)
CMYK	cmyk(73.8%, 34%, 0%, 44.7%)
CIE-LAB	lab(38.10, -1.28, -31.83)
CIE-LCH	lch(38.10, 31.86, 267.69°)
OKLab	oklab(46.51% -0.037 -0.0903)
OKLCH	oklch(46.51% 0.098 247.7)
XYZ	xyz(9.4832, 10.1440, 26.6523)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D8D #8D5525

analogous

#258D89 #255D8D #25298D

triadic

#255D8D #8D255D #5D8D25

tetradic

#255D8D #89258D #8D5525 #298D25

square

#255D8D #89258D #8D5525 #298D25

split-complementary

#255D8D #8D2529 #8D8925

monochromatic

#0C1D2C #183D5D #255D8D #327DBD #599BD3

Accessibility & contrast

On white

6.93

#255D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#255D8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D8D

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D8D	#FFFFFF	#000000	##FFFFFF
##255D8D	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475F8F

Deuteranopia (green-blind)

#39558C

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255d8d;
/* rgb */ color: rgb(37, 93, 141);
/* oklch */ color: oklch(46.5% 0.098 247.7);

Tailwind

colors: {
  custom: {
    50: '#6e8aae',
    500: '#255d8d',
    950: '#000000',
  },
}

SCSS

$custom: #255d8d;
$custom-light: #6e8aae;
$custom-dark: #000000;

JSON

{
  "hex": "#255d8d",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 141
  },
  "hsl": {
    "h": 207.692,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.46512,
    "c": 0.09761,
    "h": 247.7
  },
  "luminance": 0.10145
}

Semantic roles & 50–950 ramp

primary

#255D8D

secondary

#B88356

accent

#8E46E2

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #255D8D

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

Preview Lab → · Contrast checker → · Palette generator →