#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
RGBrgb(87, 181, 188)
HSLhsl(184, 43%, 54%)
HSVhsv(184, 54%, 74%)
CMYKcmyk(53.7%, 3.7%, 0%, 26.3%)
CIE-LABlab(68.53, -25.74, -12.05)
CIE-LCHlch(68.53, 28.42, 205.09°)
OKLaboklab(71.9% -0.0828 -0.0333)
OKLCHoklch(71.9% 0.089 201.9)
XYZxyz(29.5277, 38.7021, 53.4814)
Luminance0.3871 (WCAG relative)
Temperaturecool
Familyteal

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
##57B5BC1.002.408.748.74
#FFFFFF2.401.0021.0021.00
#0000008.7421.001.001.00
##0000008.7421.001.001.00

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 →

#57B5BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva