#255E8D#255E8D

#255E8D is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.8% C 0.097 H 246.8°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#255E8D
RGB	rgb(37, 94, 141)
HSL	hsl(207, 58%, 35%)
HSV	hsv(207, 74%, 55%)
CMYK	cmyk(73.8%, 33.3%, 0%, 44.7%)
CIE-LAB	lab(38.41, -1.91, -31.34)
CIE-LCH	lch(38.41, 31.40, 266.51°)
OKLab	oklab(46.76% -0.0381 -0.0888)
OKLCH	oklch(46.76% 0.097 246.8)
XYZ	xyz(9.5715, 10.3207, 26.6818)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E8D #8D5425

analogous

#258D88 #255E8D #252A8D

triadic

#255E8D #8D255E #5E8D25

tetradic

#255E8D #88258D #8D5425 #2A8D25

square

#255E8D #88258D #8D5425 #2A8D25

split-complementary

#255E8D #8D252A #8D8825

monochromatic

#0C1D2C #183E5D #255E8D #327EBD #599CD3

Accessibility & contrast

On white

6.85

#255E8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#255E8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E8D

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E8D	#FFFFFF	#000000	##FFFFFF
##255E8D	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49608F

Deuteranopia (green-blind)

#3A568C

Tritanopia (blue-blind)

#00696F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255e8d;
/* rgb */ color: rgb(37, 94, 141);
/* oklch */ color: oklch(46.8% 0.097 246.8);

Tailwind

colors: {
  custom: {
    50: '#6e8bae',
    500: '#255e8d',
    950: '#000000',
  },
}

SCSS

$custom: #255e8d;
$custom-light: #6e8bae;
$custom-dark: #000000;

JSON

{
  "hex": "#255e8d",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 141
  },
  "hsl": {
    "h": 207.115,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.46758,
    "c": 0.09666,
    "h": 246.8
  },
  "luminance": 0.10322
}

Semantic roles & 50–950 ramp

primary

#255E8D

secondary

#B88256

accent

#8C46E2

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #255E8D

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

Preview Lab → · Contrast checker → · Palette generator →