#57B1CD#57B1CD

#57B1CD is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.6% C 0.095 H 220.9°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#57B1CD
RGB	rgb(87, 177, 205)
HSL	hsl(194, 54%, 57%)
HSV	hsv(194, 58%, 80%)
CMYK	cmyk(57.6%, 13.7%, 0%, 19.6%)
CIE-LAB	lab(67.93, -18.82, -22.34)
CIE-LCH	lch(67.93, 29.21, 229.88°)
OKLab	oklab(71.6% -0.0716 -0.062)
OKLCH	oklch(71.6% 0.095 220.9)
XYZ	xyz(30.6677, 37.8754, 63.4403)
Luminance	0.3788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B1CD #CD7357

analogous

#57CDAE #57B1CD #5776CD

triadic

#57B1CD #CD57B1 #B1CD57

tetradic

#57B1CD #AE57CD #CD7357 #76CD57

square

#57B1CD #AE57CD #CD7357 #76CD57

split-complementary

#57B1CD #CD5776 #CDAE57

monochromatic

#276D83 #3594B2 #57B1CD #86C7DB #B5DDE9

Accessibility & contrast

On white

2.45

#57B1CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#57B1CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B1CD

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B1CD	#FFFFFF	#000000	##000000
##57B1CD	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ADCF

Deuteranopia (green-blind)

#8FA0CD

Tritanopia (blue-blind)

#00BABA

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57b1cd;
/* rgb */ color: rgb(87, 177, 205);
/* oklch */ color: oklch(71.6% 0.095 220.9);

Tailwind

colors: {
  custom: {
    50: '#90c8dc',
    500: '#57b1cd',
    950: '#000000',
  },
}

SCSS

$custom: #57b1cd;
$custom-light: #90c8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b1cd",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 205
  },
  "hsl": {
    "h": 194.237,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.71598,
    "c": 0.09472,
    "h": 220.9
  },
  "luminance": 0.37878
}

Semantic roles & 50–950 ramp

primary

#57B1CD

secondary

#D8B3A8

accent

#6D4ADD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #57B1CD

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

Preview Lab → · Contrast checker → · Palette generator →