#255F81#255F81

#255F81 is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.3% C 0.081 H 238.0°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#255F81
RGB	rgb(37, 95, 129)
HSL	hsl(202, 55%, 33%)
HSV	hsv(202, 71%, 51%)
CMYK	cmyk(71.3%, 26.4%, 0%, 49.4%)
CIE-LAB	lab(38.13, -6.99, -24.49)
CIE-LCH	lch(38.13, 25.47, 254.07°)
OKLab	oklab(46.34% -0.0431 -0.0689)
OKLCH	oklch(46.34% 0.081 238)
XYZ	xyz(8.8161, 10.1618, 22.2614)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F81 #814725

analogous

#258175 #255F81 #253181

triadic

#255F81 #81255F #5F8125

tetradic

#255F81 #752581 #814725 #318125

square

#255F81 #752581 #814725 #318125

split-complementary

#255F81 #812531 #817525

monochromatic

#0A1922 #173C51 #255F81 #3382B1 #53A0CE

Accessibility & contrast

On white

6.92

#255F81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#255F81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F81

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F81	#FFFFFF	#000000	##FFFFFF
##255F81	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5F83

Deuteranopia (green-blind)

#425680

Tritanopia (blue-blind)

#00686B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255f81;
/* rgb */ color: rgb(37, 95, 129);
/* oklch */ color: oklch(46.3% 0.081 238.0);

Tailwind

colors: {
  custom: {
    50: '#6b8ca5',
    500: '#255f81',
    950: '#000000',
  },
}

SCSS

$custom: #255f81;
$custom-light: #6b8ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#255f81",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 129
  },
  "hsl": {
    "h": 202.174,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4634,
    "c": 0.08134,
    "h": 238
  },
  "luminance": 0.10163
}

Semantic roles & 50–950 ramp

primary

#255F81

secondary

#B27450

accent

#8049DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #255F81

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

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