#57B5CD#57B5CD

#57B5CD is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.5% C 0.095 H 216.9°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#57B5CD
RGB	rgb(87, 181, 205)
HSL	hsl(192, 54%, 57%)
HSV	hsv(192, 58%, 80%)
CMYK	cmyk(57.6%, 11.7%, 0%, 19.6%)
CIE-LAB	lab(69.10, -20.89, -20.56)
CIE-LCH	lch(69.10, 29.31, 224.54°)
OKLab	oklab(72.53% -0.0759 -0.057)
OKLCH	oklch(72.53% 0.095 216.9)
XYZ	xyz(31.4694, 39.4787, 63.7075)
Luminance	0.3948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B5CD #CD6F57

analogous

#57CDAA #57B5CD #577ACD

triadic

#57B5CD #CD57B5 #B5CD57

tetradic

#57B5CD #AA57CD #CD6F57 #7ACD57

square

#57B5CD #AA57CD #CD6F57 #7ACD57

split-complementary

#57B5CD #CD577A #CDAA57

monochromatic

#277083 #3598B2 #57B5CD #86CADB #B5DFE9

Accessibility & contrast

On white

2.36

#57B5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#57B5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5CD

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B5CD	#FFFFFF	#000000	##000000
##57B5CD	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CE

Deuteranopia (green-blind)

#93A3CD

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b5cd;
/* rgb */ color: rgb(87, 181, 205);
/* oklch */ color: oklch(72.5% 0.095 216.9);

Tailwind

colors: {
  custom: {
    50: '#91cbdc',
    500: '#57b5cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b5cd;
$custom-light: #91cbdc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b5cd",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 205
  },
  "hsl": {
    "h": 192.203,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72533,
    "c": 0.09496,
    "h": 216.9
  },
  "luminance": 0.39482
}

Semantic roles & 50–950 ramp

primary

#57B5CD

secondary

#D8B2A8

accent

#684ADD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B5CD

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

Preview Lab → · Contrast checker → · Palette generator →