#57C5EA#57C5EA

#57C5EA is a light, moderate cyan. Relative luminance 0.479; OKLCH L 77.4% C 0.112 H 223.4°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX#57C5EA
RGBrgb(87, 197, 234)
HSLhsl(195, 78%, 63%)
HSVhsv(195, 63%, 92%)
CMYKcmyk(62.8%, 15.8%, 0%, 8.2%)
CIE-LABlab(74.76, -20.48, -27.70)
CIE-LCHlch(74.76, 34.44, 233.52°)
OKLaboklab(77.41% -0.0818 -0.0772)
OKLCHoklch(77.41% 0.112 223.4)
XYZxyz(38.7421, 47.8952, 85.0289)
Luminance0.4790 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C5EA #EA7C57
analogous
#57EAC5 #57C5EA #577BEA
triadic
#57C5EA #EA57C5 #C5EA57
tetradic
#57C5EA #C557EA #EA7C57 #7BEA57
square
#57C5EA #C557EA #EA7C57 #7BEA57
split-complementary
#57C5EA #EA577B #EAC557
monochromatic
#168AB1 #21B2E3 #57C5EA #8DD8F1 #C4EBF8

Accessibility & contrast

On white

1.98
#57C5EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.58
#57C5EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C5EA
10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C5EA#FFFFFF#000000##000000
##57C5EA1.001.9810.5810.58
#FFFFFF1.981.0021.0021.00
#00000010.5821.001.001.00
##00000010.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0C1EC
Deuteranopia (green-blind)
#9BB1EA
Tritanopia (blue-blind)
#00D0D1
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #57c5ea;
/* rgb */ color: rgb(87, 197, 234);
/* oklch */ color: oklch(77.4% 0.112 223.4);
Tailwind
colors: {
  custom: {
    50: '#94d6f0',
    500: '#57c5ea',
    950: '#000000',
  },
}
SCSS
$custom: #57c5ea;
$custom-light: #94d6f0;
$custom-dark: #000000;
JSON
{
  "hex": "#57c5ea",
  "rgb": {
    "r": 87,
    "g": 197,
    "b": 234
  },
  "hsl": {
    "h": 195.102,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.77407,
    "c": 0.11247,
    "h": 223.4
  },
  "luminance": 0.47899
}

Semantic roles & 50–950 ramp

primary
#57C5EA
secondary
#E9C1B4
accent
#3F0BDA
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1416
muted
#7E8384

Preview Lab

Preview with #57C5EA

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

Preview Lab → · Contrast checker → · Palette generator →

#57C5EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva