#57B4CD#57B4CD

#57B4CD is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.3% C 0.095 H 217.9°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#57B4CD
RGB	rgb(87, 180, 205)
HSL	hsl(193, 54%, 57%)
HSV	hsv(193, 58%, 80%)
CMYK	cmyk(57.6%, 12.2%, 0%, 19.6%)
CIE-LAB	lab(68.80, -20.38, -21.00)
CIE-LCH	lch(68.80, 29.27, 225.87°)
OKLab	oklab(72.3% -0.0748 -0.0583)
OKLCH	oklch(72.3% 0.095 217.9)
XYZ	xyz(31.2668, 39.0735, 63.6400)
Luminance	0.3908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4CD #CD7057

analogous

#57CDAB #57B4CD #5779CD

triadic

#57B4CD #CD57B4 #B4CD57

tetradic

#57B4CD #AB57CD #CD7057 #79CD57

square

#57B4CD #AB57CD #CD7057 #79CD57

split-complementary

#57B4CD #CD5779 #CDAB57

monochromatic

#276F83 #3597B2 #57B4CD #86C9DB #B5DEE9

Accessibility & contrast

On white

2.38

#57B4CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#57B4CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4CD

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4CD	#FFFFFF	#000000	##000000
##57B4CD	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCE

Deuteranopia (green-blind)

#92A2CD

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #57b4cd;
/* rgb */ color: rgb(87, 180, 205);
/* oklch */ color: oklch(72.3% 0.095 217.9);

Tailwind

colors: {
  custom: {
    50: '#90cadc',
    500: '#57b4cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b4cd;
$custom-light: #90cadc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4cd",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 205
  },
  "hsl": {
    "h": 192.712,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72299,
    "c": 0.09485,
    "h": 217.9
  },
  "luminance": 0.39077
}

Semantic roles & 50–950 ramp

primary

#57B4CD

secondary

#D8B2A8

accent

#694ADD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B4CD

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

Preview Lab → · Contrast checker → · Palette generator →