#57B3CB#57B3CB

#57B3CB is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.0% C 0.094 H 217.3°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#57B3CB
RGB	rgb(87, 179, 203)
HSL	hsl(192, 53%, 57%)
HSV	hsv(192, 57%, 80%)
CMYK	cmyk(57.1%, 11.8%, 0%, 20.4%)
CIE-LAB	lab(68.44, -20.45, -20.46)
CIE-LCH	lch(68.44, 28.92, 225.01°)
OKLab	oklab(71.99% -0.0745 -0.0567)
OKLCH	oklch(71.99% 0.094 217.3)
XYZ	xyz(30.8258, 38.5753, 62.3096)
Luminance	0.3858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3CB #CB6F57

analogous

#57CBA9 #57B3CB #5779CB

triadic

#57B3CB #CB57B3 #B3CB57

tetradic

#57B3CB #A957CB #CB6F57 #79CB57

square

#57B3CB #A957CB #CB6F57 #79CB57

split-complementary

#57B3CB #CB5779 #CBA957

monochromatic

#286E80 #3696AF #57B3CB #86C8D9 #B4DDE8

Accessibility & contrast

On white

2.41

#57B3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#57B3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3CB

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3CB	#FFFFFF	#000000	##000000
##57B3CB	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECC

Deuteranopia (green-blind)

#92A1CB

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b3cb;
/* rgb */ color: rgb(87, 179, 203);
/* oklch */ color: oklch(72.0% 0.094 217.3);

Tailwind

colors: {
  custom: {
    50: '#90cada',
    500: '#57b3cb',
    950: '#000000',
  },
}

SCSS

$custom: #57b3cb;
$custom-light: #90cada;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3cb",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 203
  },
  "hsl": {
    "h": 192.414,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.71986,
    "c": 0.09366,
    "h": 217.3
  },
  "luminance": 0.38578
}

Semantic roles & 50–950 ramp

primary

#57B3CB

secondary

#D7B1A7

accent

#6A4CDC

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #57B3CB

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

Preview Lab → · Contrast checker → · Palette generator →