#57C3EE#57C3EE

#57C3EE is a light, moderate cyan. Relative luminance 0.472; OKLCH L 77.1% C 0.116 H 227.4°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX#57C3EE
RGBrgb(87, 195, 238)
HSLhsl(197, 82%, 64%)
HSVhsv(197, 63%, 93%)
CMYKcmyk(63.4%, 18.1%, 0%, 6.7%)
CIE-LABlab(74.33, -18.23, -30.51)
CIE-LCHlch(74.33, 35.54, 239.14°)
OKLaboklab(77.12% -0.0783 -0.0852)
OKLCHoklch(77.12% 0.116 227.4)
XYZxyz(38.8721, 47.2254, 87.9392)
Luminance0.4723 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C3EE #EE8257
analogous
#57EECD #57C3EE #5777EE
triadic
#57C3EE #EE57C3 #C3EE57
tetradic
#57C3EE #CD57EE #EE8257 #77EE57
square
#57C3EE #CD57EE #EE8257 #77EE57
split-complementary
#57C3EE #EE5777 #EECD57
monochromatic
#1389B8 #1FAFE8 #57C3EE #8FD7F4 #C6EBF9

Accessibility & contrast

On white

2.01
#57C3EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.45
#57C3EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C3EE
10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C3EE#FFFFFF#000000##000000
##57C3EE1.002.0110.4510.45
#FFFFFF2.011.0021.0021.00
#00000010.4521.001.001.00
##00000010.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACC0F0
Deuteranopia (green-blind)
#97B0ED
Tritanopia (blue-blind)
#00CFD1
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #57c3ee;
/* rgb */ color: rgb(87, 195, 238);
/* oklch */ color: oklch(77.1% 0.116 227.4);
Tailwind
colors: {
  custom: {
    50: '#95d5f3',
    500: '#57c3ee',
    950: '#000000',
  },
}
SCSS
$custom: #57c3ee;
$custom-light: #95d5f3;
$custom-dark: #000000;
JSON
{
  "hex": "#57c3ee",
  "rgb": {
    "r": 87,
    "g": 195,
    "b": 238
  },
  "hsl": {
    "h": 197.086,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.77116,
    "c": 0.11573,
    "h": 227.4
  },
  "luminance": 0.47229
}

Semantic roles & 50–950 ramp

primary
#57C3EE
secondary
#EBC5B6
accent
#4508DE
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1417
muted
#7E8385

Preview Lab

Preview with #57C3EE

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

Preview Lab → · Contrast checker → · Palette generator →

#57C3EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva