#257C90#257C90

#257C90 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.5% C 0.085 H 216.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#257C90
RGB	rgb(37, 124, 144)
HSL	hsl(191, 59%, 35%)
HSV	hsv(191, 74%, 56%)
CMYK	cmyk(74.3%, 13.9%, 0%, 43.5%)
CIE-LAB	lab(48.03, -18.37, -18.19)
CIE-LCH	lch(48.03, 25.86, 224.71°)
OKLab	oklab(54.47% -0.0683 -0.0507)
OKLCH	oklch(54.47% 0.085 216.6)
XYZ	xyz(13.0025, 16.8207, 28.9416)
Luminance	0.1682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257C90 #903925

analogous

#25906E #257C90 #254690

triadic

#257C90 #90257C #7C9025

tetradic

#257C90 #6E2590 #903925 #469025

square

#257C90 #6E2590 #903925 #469025

split-complementary

#257C90 #902546 #906E25

monochromatic

#0C282F #18525F #257C90 #32A6C1 #5BBED5

Accessibility & contrast

On white

4.81

#257C90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#257C90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257C90

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257C90	#FFFFFF	#000000	##FFFFFF
##257C90	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7891

Deuteranopia (green-blind)

#606D90

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257c90;
/* rgb */ color: rgb(37, 124, 144);
/* oklch */ color: oklch(54.5% 0.085 216.6);

Tailwind

colors: {
  custom: {
    50: '#70a2b0',
    500: '#257c90',
    950: '#000000',
  },
}

SCSS

$custom: #257c90;
$custom-light: #70a2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#257c90",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 144
  },
  "hsl": {
    "h": 191.215,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.54468,
    "c": 0.08505,
    "h": 216.6
  },
  "luminance": 0.16822
}

Semantic roles & 50–950 ramp

primary

#257C90

secondary

#B96A57

accent

#6345E2

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #257C90

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

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