#255C8B#255C8B

#255C8B is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.1% C 0.096 H 247.6°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#255C8B
RGB	rgb(37, 92, 139)
HSL	hsl(208, 58%, 35%)
HSV	hsv(208, 73%, 55%)
CMYK	cmyk(73.4%, 33.8%, 0%, 45.5%)
CIE-LAB	lab(37.68, -1.41, -31.28)
CIE-LCH	lch(37.68, 31.31, 267.42°)
OKLab	oklab(46.15% -0.0366 -0.0887)
OKLCH	oklch(46.15% 0.096 247.6)
XYZ	xyz(9.2485, 9.9107, 25.8466)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C8B #8B5425

analogous

#258B87 #255C8B #25298B

triadic

#255C8B #8B255C #5C8B25

tetradic

#255C8B #87258B #8B5425 #298B25

square

#255C8B #87258B #8B5425 #298B25

split-complementary

#255C8B #8B2529 #8B8725

monochromatic

#0B1C2A #183C5B #255C8B #327CBB #589AD3

Accessibility & contrast

On white

7.04

#255C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#255C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C8B

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C8B	#FFFFFF	#000000	##FFFFFF
##255C8B	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475E8D

Deuteranopia (green-blind)

#38548A

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255c8b;
/* rgb */ color: rgb(37, 92, 139);
/* oklch */ color: oklch(46.1% 0.096 247.6);

Tailwind

colors: {
  custom: {
    50: '#6d89ad',
    500: '#255c8b',
    950: '#000000',
  },
}

SCSS

$custom: #255c8b;
$custom-light: #6d89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#255c8b",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 139
  },
  "hsl": {
    "h": 207.647,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.46149,
    "c": 0.09597,
    "h": 247.6
  },
  "luminance": 0.09912
}

Semantic roles & 50–950 ramp

primary

#255C8B

secondary

#B78255

accent

#8E47E1

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #255C8B

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

Preview Lab → · Contrast checker → · Palette generator →