#255E81#255E81

#255E81 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.1% C 0.082 H 239.1°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#255E81
RGB	rgb(37, 94, 129)
HSL	hsl(203, 55%, 33%)
HSV	hsv(203, 71%, 51%)
CMYK	cmyk(71.3%, 27.1%, 0%, 49.4%)
CIE-LAB	lab(37.81, -6.38, -24.99)
CIE-LCH	lch(37.81, 25.79, 255.68°)
OKLab	oklab(46.09% -0.0421 -0.0704)
OKLCH	oklch(46.09% 0.082 239.1)
XYZ	xyz(8.7266, 9.9828, 22.2316)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E81 #814825

analogous

#258176 #255E81 #253081

triadic

#255E81 #81255E #5E8125

tetradic

#255E81 #762581 #814825 #308125

square

#255E81 #762581 #814825 #308125

split-complementary

#255E81 #812530 #817625

monochromatic

#0A1922 #173B51 #255E81 #3381B1 #539FCE

Accessibility & contrast

On white

7.01

#255E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#255E81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E81

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E81	#FFFFFF	#000000	##FFFFFF
##255E81	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5E83

Deuteranopia (green-blind)

#415580

Tritanopia (blue-blind)

#00676A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255e81;
/* rgb */ color: rgb(37, 94, 129);
/* oklch */ color: oklch(46.1% 0.082 239.1);

Tailwind

colors: {
  custom: {
    50: '#6b8ba5',
    500: '#255e81',
    950: '#000000',
  },
}

SCSS

$custom: #255e81;
$custom-light: #6b8ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#255e81",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 129
  },
  "hsl": {
    "h": 202.826,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.46086,
    "c": 0.08201,
    "h": 239.1
  },
  "luminance": 0.09984
}

Semantic roles & 50–950 ramp

primary

#255E81

secondary

#B27550

accent

#8249DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #255E81

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

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