#255688#255688

#255688 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.098 H 251.4°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#255688
RGB	rgb(37, 86, 136)
HSL	hsl(210, 57%, 34%)
HSV	hsv(210, 73%, 53%)
CMYK	cmyk(72.8%, 36.8%, 0%, 46.7%)
CIE-LAB	lab(35.65, 1.27, -32.67)
CIE-LCH	lch(35.65, 32.69, 272.23°)
OKLab	oklab(44.5% -0.0313 -0.0928)
OKLCH	oklch(44.5% 0.098 251.4)
XYZ	xyz(8.5330, 8.8255, 24.5416)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255688 #885725

analogous

#258888 #255688 #262588

triadic

#255688 #882556 #568825

tetradic

#255688 #882588 #885725 #258826

square

#255688 #882588 #885725 #258826

split-complementary

#255688 #882625 #888825

monochromatic

#0B1928 #183858 #255688 #3274B8 #5693D1

Accessibility & contrast

On white

7.59

#255688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#255688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255688

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255688	#FFFFFF	#000000	##FFFFFF
##255688	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F598A

Deuteranopia (green-blind)

#315087

Tritanopia (blue-blind)

#006268

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255688;
/* rgb */ color: rgb(37, 86, 136);
/* oklch */ color: oklch(44.5% 0.098 251.4);

Tailwind

colors: {
  custom: {
    50: '#6d85ab',
    500: '#255688',
    950: '#000000',
  },
}

SCSS

$custom: #255688;
$custom-light: #6d85ab;
$custom-dark: #000000;

JSON

{
  "hex": "#255688",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 136
  },
  "hsl": {
    "h": 210.303,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44498,
    "c": 0.09799,
    "h": 251.4
  },
  "luminance": 0.08826
}

Semantic roles & 50–950 ramp

primary

#255688

secondary

#B68553

accent

#9547E0

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #255688

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

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