#255783#255783

#255783 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.090 H 248.0°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#255783
RGB	rgb(37, 87, 131)
HSL	hsl(208, 56%, 33%)
HSV	hsv(208, 72%, 51%)
CMYK	cmyk(71.8%, 33.6%, 0%, 48.6%)
CIE-LAB	lab(35.69, -1.27, -29.54)
CIE-LCH	lch(35.69, 29.57, 267.54°)
OKLab	oklab(44.44% -0.0338 -0.0837)
OKLCH	oklch(44.44% 0.09 248)
XYZ	xyz(8.2663, 8.8475, 22.7404)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255783 #835125

analogous

#258380 #255783 #252883

triadic

#255783 #832557 #578325

tetradic

#255783 #802583 #835125 #288325

square

#255783 #802583 #835125 #288325

split-complementary

#255783 #832528 #838025

monochromatic

#0A1824 #183753 #255783 #3277B3 #5495CF

Accessibility & contrast

On white

7.58

#255783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#255783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255783

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255783	#FFFFFF	#000000	##FFFFFF
##255783	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435985

Deuteranopia (green-blind)

#365082

Tritanopia (blue-blind)

#006167

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255783;
/* rgb */ color: rgb(37, 87, 131);
/* oklch */ color: oklch(44.4% 0.090 248.0);

Tailwind

colors: {
  custom: {
    50: '#6c86a7',
    500: '#255783',
    950: '#000000',
  },
}

SCSS

$custom: #255783;
$custom-light: #6c86a7;
$custom-dark: #000000;

JSON

{
  "hex": "#255783",
  "rgb": {
    "r": 37,
    "g": 87,
    "b": 131
  },
  "hsl": {
    "h": 208.085,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44443,
    "c": 0.09028,
    "h": 248
  },
  "luminance": 0.08848
}

Semantic roles & 50–950 ramp

primary

#255783

secondary

#B37F51

accent

#8F49DF

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #255783

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

Preview Lab → · Contrast checker → · Palette generator →