#57BBCF#57BBCF

#57BBCF is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.0% C 0.097 H 212.7°. Best body text is #000000 at 9.41:1 contrast (WCAG AA passes).

Color values

HEX#57BBCF
RGBrgb(87, 187, 207)
HSLhsl(190, 56%, 58%)
HSVhsv(190, 58%, 81%)
CMYKcmyk(58%, 9.7%, 0%, 18.8%)
CIE-LABlab(70.92, -23.37, -18.89)
CIE-LCHlch(70.92, 30.05, 218.95°)
OKLaboklab(74.02% -0.0816 -0.0523)
OKLCHoklch(74.02% 0.097 212.7)
XYZxyz(32.9587, 42.0686, 65.4025)
Luminance0.4207 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BBCF #CF6B57
analogous
#57CFA7 #57BBCF #577FCF
triadic
#57BBCF #CF57BB #BBCF57
tetradic
#57BBCF #A757CF #CF6B57 #7FCF57
square
#57BBCF #A757CF #CF6B57 #7FCF57
split-complementary
#57BBCF #CF577F #CFA757
monochromatic
#267685 #34A0B5 #57BBCF #87CEDD #B6E2EA

Accessibility & contrast

On white

2.23
#57BBCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.41
#57BBCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBCF
9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BBCF#FFFFFF#000000##000000
##57BBCF1.002.239.419.41
#FFFFFF2.231.0021.0021.00
#0000009.4121.001.001.00
##0000009.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABB5D0
Deuteranopia (green-blind)
#99A8CF
Tritanopia (blue-blind)
#00C3C1
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #57bbcf;
/* rgb */ color: rgb(87, 187, 207);
/* oklch */ color: oklch(74.0% 0.097 212.7);
Tailwind
colors: {
  custom: {
    50: '#91cfdd',
    500: '#57bbcf',
    950: '#000000',
  },
}
SCSS
$custom: #57bbcf;
$custom-light: #91cfdd;
$custom-dark: #000000;
JSON
{
  "hex": "#57bbcf",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 207
  },
  "hsl": {
    "h": 190,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.74017,
    "c": 0.09697,
    "h": 212.7
  },
  "luminance": 0.42072
}

Semantic roles & 50–950 ramp

primary
#57BBCF
secondary
#D9B1A9
accent
#6249DF
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #57BBCF

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

Preview Lab → · Contrast checker → · Palette generator →

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