#57B5BB#57B5BB

#57B5BB is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.9% C 0.089 H 201.0°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#57B5BB
RGB	rgb(87, 181, 187)
HSL	hsl(184, 42%, 54%)
HSV	hsv(184, 53%, 73%)
CMYK	cmyk(53.5%, 3.2%, 0%, 26.7%)
CIE-LAB	lab(68.50, -26.01, -11.55)
CIE-LCH	lch(68.50, 28.46, 203.94°)
OKLab	oklab(71.86% -0.0832 -0.0319)
OKLCH	oklch(71.86% 0.089 201)
XYZ	xyz(29.4203, 38.6591, 52.9156)
Luminance	0.3866 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B5BB #BB5D57

analogous

#57BB8F #57B5BB #5783BB

triadic

#57B5BB #BB57B5 #B5BB57

tetradic

#57B5BB #8F57BB #BB5D57 #83BB57

square

#57B5BB #8F57BB #BB5D57 #83BB57

split-complementary

#57B5BB #BB5783 #BB8F57

monochromatic

#2C686C #3D9297 #57B5BB #83C8CD #AEDBDE

Accessibility & contrast

On white

2.40

#57B5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#57B5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5BB

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B5BB	#FFFFFF	#000000	##000000
##57B5BB	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AEBC

Deuteranopia (green-blind)

#99A2BC

Tritanopia (blue-blind)

#00BBB7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b5bb;
/* rgb */ color: rgb(87, 181, 187);
/* oklch */ color: oklch(71.9% 0.089 201.0);

Tailwind

colors: {
  custom: {
    50: '#8fcbcf',
    500: '#57b5bb',
    950: '#000000',
  },
}

SCSS

$custom: #57b5bb;
$custom-light: #8fcbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#57b5bb",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 187
  },
  "hsl": {
    "h": 183.6,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.7186,
    "c": 0.08913,
    "h": 201
  },
  "luminance": 0.38662
}

Semantic roles & 50–950 ramp

primary

#57B5BB

secondary

#CCA4A2

accent

#5D56D2

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0D1313

muted

#7E8282

Preview Lab

Preview with #57B5BB

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

Preview Lab → · Contrast checker → · Palette generator →