#57AAEB#57AAEB

#57AAEB is a light, vivid cyan. Relative luminance 0.368; OKLCH L 71.3% C 0.125 H 244.5°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX#57AAEB
RGBrgb(87, 170, 235)
HSLhsl(206, 79%, 63%)
HSVhsv(206, 63%, 92%)
CMYKcmyk(63%, 27.7%, 0%, 7.8%)
CIE-LABlab(67.10, -5.74, -40.09)
CIE-LCHlch(67.10, 40.50, 261.85°)
OKLaboklab(71.34% -0.0538 -0.1129)
OKLCHoklch(71.34% 0.125 244.5)
XYZxyz(33.2950, 36.7705, 83.9239)
Luminance0.3677 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AAEB #EB9857
analogous
#57EBE2 #57AAEB #5760EB
triadic
#57AAEB #EB57AA #AAEB57
tetradic
#57AAEB #E257EB #EB9857 #60EB57
square
#57AAEB #E257EB #EB9857 #60EB57
split-complementary
#57AAEB #EB5760 #EBE257
monochromatic
#156DB2 #208EE4 #57AAEB #8EC6F2 #C4E1F8

Accessibility & contrast

On white

2.51
#57AAEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.35
#57AAEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAEB
8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AAEB#FFFFFF#000000##000000
##57AAEB1.002.518.358.35
#FFFFFF2.511.0021.0021.00
#0000008.3521.001.001.00
##0000008.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8DABEE
Deuteranopia (green-blind)
#799DEA
Tritanopia (blue-blind)
#00BAC1
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #57aaeb;
/* rgb */ color: rgb(87, 170, 235);
/* oklch */ color: oklch(71.3% 0.125 244.5);
Tailwind
colors: {
  custom: {
    50: '#93c3f1',
    500: '#57aaeb',
    950: '#000000',
  },
}
SCSS
$custom: #57aaeb;
$custom-light: #93c3f1;
$custom-dark: #000000;
JSON
{
  "hex": "#57aaeb",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 235
  },
  "hsl": {
    "h": 206.351,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.71335,
    "c": 0.1251,
    "h": 244.5
  },
  "luminance": 0.36774
}

Semantic roles & 50–950 ramp

primary
#57AAEB
secondary
#E9CCB4
accent
#660ADB
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57AAEB

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

Preview Lab → · Contrast checker → · Palette generator →

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