#57C8EE#57C8EE

#57C8EE is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.3% C 0.115 H 223.4°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX#57C8EE
RGBrgb(87, 200, 238)
HSLhsl(195, 82%, 64%)
HSVhsv(195, 63%, 93%)
CMYKcmyk(63.4%, 16%, 0%, 6.7%)
CIE-LABlab(75.76, -20.80, -28.31)
CIE-LCHlch(75.76, 35.13, 233.69°)
OKLaboklab(78.26% -0.0834 -0.079)
OKLCHoklch(78.26% 0.115 223.4)
XYZxyz(40.0112, 49.5036, 88.3189)
Luminance0.4951 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C8EE #EE7D57
analogous
#57EEC8 #57C8EE #577CEE
triadic
#57C8EE #EE57C8 #C8EE57
tetradic
#57C8EE #C857EE #EE7D57 #7CEE57
square
#57C8EE #C857EE #EE7D57 #7CEE57
split-complementary
#57C8EE #EE577C #EEC857
monochromatic
#138EB8 #1FB6E8 #57C8EE #8FDAF4 #C6ECF9

Accessibility & contrast

On white

1.93
#57C8EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.90
#57C8EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C8EE
10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C8EE#FFFFFF#000000##000000
##57C8EE1.001.9310.9010.90
#FFFFFF1.931.0021.0021.00
#00000010.9021.001.001.00
##00000010.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2C4F0
Deuteranopia (green-blind)
#9DB4EE
Tritanopia (blue-blind)
#00D4D4
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #57c8ee;
/* rgb */ color: rgb(87, 200, 238);
/* oklch */ color: oklch(78.3% 0.115 223.4);
Tailwind
colors: {
  custom: {
    50: '#95d8f3',
    500: '#57c8ee',
    950: '#000000',
  },
}
SCSS
$custom: #57c8ee;
$custom-light: #95d8f3;
$custom-dark: #000000;
JSON
{
  "hex": "#57c8ee",
  "rgb": {
    "r": 87,
    "g": 200,
    "b": 238
  },
  "hsl": {
    "h": 195.099,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.78259,
    "c": 0.11481,
    "h": 223.4
  },
  "luminance": 0.49508
}

Semantic roles & 50–950 ramp

primary
#57C8EE
secondary
#EBC3B6
accent
#3D08DE
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1417
muted
#7E8385

Preview Lab

Preview with #57C8EE

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

Preview Lab → · Contrast checker → · Palette generator →

#57C8EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva