#57B5BC#57B5BC

#57B5BC is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.9% C 0.089 H 201.9°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#57B5BC
RGB	rgb(87, 181, 188)
HSL	hsl(184, 43%, 54%)
HSV	hsv(184, 54%, 74%)
CMYK	cmyk(53.7%, 3.7%, 0%, 26.3%)
CIE-LAB	lab(68.53, -25.74, -12.05)
CIE-LCH	lch(68.53, 28.42, 205.09°)
OKLab	oklab(71.9% -0.0828 -0.0333)
OKLCH	oklch(71.9% 0.089 201.9)
XYZ	xyz(29.5277, 38.7021, 53.4814)
Luminance	0.3871 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B5BC #BC5E57

analogous

#57BC91 #57B5BC #5783BC

triadic

#57B5BC #BC57B5 #B5BC57

tetradic

#57B5BC #9157BC #BC5E57 #83BC57

square

#57B5BC #9157BC #BC5E57 #83BC57

split-complementary

#57B5BC #BC5783 #BC9157

monochromatic

#2C696D #3D9299 #57B5BC #83C8CD #AFDCDF

Accessibility & contrast

On white

2.40

#57B5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#57B5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5BC

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B5BC	#FFFFFF	#000000	##000000
##57B5BC	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AEBD

Deuteranopia (green-blind)

#99A2BD

Tritanopia (blue-blind)

#00BBB7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57b5bc;
/* rgb */ color: rgb(87, 181, 188);
/* oklch */ color: oklch(71.9% 0.089 201.9);

Tailwind

colors: {
  custom: {
    50: '#8fcbd0',
    500: '#57b5bc',
    950: '#000000',
  },
}

SCSS

$custom: #57b5bc;
$custom-light: #8fcbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#57b5bc",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 188
  },
  "hsl": {
    "h": 184.158,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.71896,
    "c": 0.08925,
    "h": 201.9
  },
  "luminance": 0.38705
}

Semantic roles & 50–950 ramp

primary

#57B5BC

secondary

#CDA5A2

accent

#5E55D3

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #57B5BC

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

Preview Lab → · Contrast checker → · Palette generator →