#57B2CB#57B2CB

#57B2CB is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.8% C 0.094 H 218.3°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#57B2CB
RGB	rgb(87, 178, 203)
HSL	hsl(193, 53%, 57%)
HSV	hsv(193, 57%, 80%)
CMYK	cmyk(57.1%, 12.3%, 0%, 20.4%)
CIE-LAB	lab(68.15, -19.93, -20.90)
CIE-LCH	lch(68.15, 28.88, 226.36°)
OKLab	oklab(71.75% -0.0734 -0.058)
OKLCH	oklch(71.75% 0.094 218.3)
XYZ	xyz(30.6261, 38.1759, 62.2430)
Luminance	0.3818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B2CB #CB7057

analogous

#57CBAA #57B2CB #5778CB

triadic

#57B2CB #CB57B2 #B2CB57

tetradic

#57B2CB #AA57CB #CB7057 #78CB57

square

#57B2CB #AA57CB #CB7057 #78CB57

split-complementary

#57B2CB #CB5778 #CBAA57

monochromatic

#286D80 #3695AF #57B2CB #86C7D9 #B4DDE8

Accessibility & contrast

On white

2.43

#57B2CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#57B2CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2CB

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B2CB	#FFFFFF	#000000	##000000
##57B2CB	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2ADCC

Deuteranopia (green-blind)

#91A1CB

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #57b2cb;
/* rgb */ color: rgb(87, 178, 203);
/* oklch */ color: oklch(71.8% 0.094 218.3);

Tailwind

colors: {
  custom: {
    50: '#90c9da',
    500: '#57b2cb',
    950: '#000000',
  },
}

SCSS

$custom: #57b2cb;
$custom-light: #90c9da;
$custom-dark: #000000;

JSON

{
  "hex": "#57b2cb",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 203
  },
  "hsl": {
    "h": 192.931,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.71752,
    "c": 0.09356,
    "h": 218.3
  },
  "luminance": 0.38179
}

Semantic roles & 50–950 ramp

primary

#57B2CB

secondary

#D7B1A7

accent

#6B4CDC

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #57B2CB

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

Preview Lab → · Contrast checker → · Palette generator →