#255187#255187

#255187 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.2% C 0.102 H 255.0°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#255187
RGB	rgb(37, 81, 135)
HSL	hsl(213, 57%, 34%)
HSV	hsv(213, 73%, 53%)
CMYK	cmyk(72.6%, 40%, 0%, 47.1%)
CIE-LAB	lab(34.04, 4.14, -34.61)
CIE-LCH	lch(34.04, 34.86, 276.82°)
OKLab	oklab(43.22% -0.0265 -0.0986)
OKLCH	oklch(43.22% 0.102 255)
XYZ	xyz(8.0769, 8.0266, 24.0406)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255187 #875B25

analogous

#258287 #255187 #2A2587

triadic

#255187 #872551 #518725

tetradic

#255187 #872582 #875B25 #25872A

square

#255187 #872582 #875B25 #25872A

split-complementary

#255187 #872A25 #828725

monochromatic

#0B1727 #183457 #255187 #326EB7 #568DD1

Accessibility & contrast

On white

8.06

#255187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#255187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255187

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255187	#FFFFFF	#000000	##FFFFFF
##255187	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385589

Deuteranopia (green-blind)

#294C86

Tritanopia (blue-blind)

#005E65

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #255187;
/* rgb */ color: rgb(37, 81, 135);
/* oklch */ color: oklch(43.2% 0.102 255.0);

Tailwind

colors: {
  custom: {
    50: '#6c81aa',
    500: '#255187',
    950: '#000000',
  },
}

SCSS

$custom: #255187;
$custom-light: #6c81aa;
$custom-dark: #000000;

JSON

{
  "hex": "#255187",
  "rgb": {
    "r": 37,
    "g": 81,
    "b": 135
  },
  "hsl": {
    "h": 213.061,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43223,
    "c": 0.10209,
    "h": 255
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#255187

secondary

#B58953

accent

#9C48E0

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #255187

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

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