#57B7CD#57B7CD

#57B7CD is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.0% C 0.095 H 214.9°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#57B7CD
RGB	rgb(87, 183, 205)
HSL	hsl(191, 54%, 57%)
HSV	hsv(191, 58%, 80%)
CMYK	cmyk(57.6%, 10.7%, 0%, 19.6%)
CIE-LAB	lab(69.68, -21.92, -19.67)
CIE-LCH	lch(69.68, 29.45, 221.91°)
OKLab	oklab(73% -0.0781 -0.0545)
OKLCH	oklch(73% 0.095 214.9)
XYZ	xyz(31.8790, 40.2979, 63.8440)
Luminance	0.4030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7CD #CD6D57

analogous

#57CDA8 #57B7CD #577CCD

triadic

#57B7CD #CD57B7 #B7CD57

tetradic

#57B7CD #A857CD #CD6D57 #7CCD57

square

#57B7CD #A857CD #CD6D57 #7CCD57

split-complementary

#57B7CD #CD577C #CDA857

monochromatic

#277283 #359BB2 #57B7CD #86CBDB #B5DFE9

Accessibility & contrast

On white

2.32

#57B7CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#57B7CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7CD

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7CD	#FFFFFF	#000000	##000000
##57B7CD	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B2CE

Deuteranopia (green-blind)

#96A5CD

Tritanopia (blue-blind)

#00BFBE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b7cd;
/* rgb */ color: rgb(87, 183, 205);
/* oklch */ color: oklch(73.0% 0.095 214.9);

Tailwind

colors: {
  custom: {
    50: '#91ccdc',
    500: '#57b7cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b7cd;
$custom-light: #91ccdc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7cd",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 205
  },
  "hsl": {
    "h": 191.186,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73002,
    "c": 0.09525,
    "h": 214.9
  },
  "luminance": 0.40301
}

Semantic roles & 50–950 ramp

primary

#57B7CD

secondary

#D8B1A8

accent

#664ADD

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B7CD

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

Preview Lab → · Contrast checker → · Palette generator →