#57C5EB#57C5EB

#57C5EB is a light, moderate cyan. Relative luminance 0.480; OKLCH L 77.4% C 0.113 H 224.0°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX#57C5EB
RGBrgb(87, 197, 235)
HSLhsl(195, 79%, 63%)
HSVhsv(195, 63%, 92%)
CMYKcmyk(63%, 16.2%, 0%, 7.8%)
CIE-LABlab(74.80, -20.17, -28.18)
CIE-LCHlch(74.80, 34.66, 234.40°)
OKLaboklab(77.45% -0.0814 -0.0786)
OKLCHoklch(77.45% 0.113 224)
XYZxyz(38.8861, 47.9528, 85.7876)
Luminance0.4796 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C5EB #EB7D57
analogous
#57EBC7 #57C5EB #577BEB
triadic
#57C5EB #EB57C5 #C5EB57
tetradic
#57C5EB #C757EB #EB7D57 #7BEB57
square
#57C5EB #C757EB #EB7D57 #7BEB57
split-complementary
#57C5EB #EB577B #EBC757
monochromatic
#158AB2 #20B2E4 #57C5EB #8ED8F2 #C4EBF8

Accessibility & contrast

On white

1.98
#57C5EB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.59
#57C5EB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C5EB
10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C5EB#FFFFFF#000000##000000
##57C5EB1.001.9810.5910.59
#FFFFFF1.981.0021.0021.00
#00000010.5921.001.001.00
##00000010.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0C1ED
Deuteranopia (green-blind)
#9BB1EB
Tritanopia (blue-blind)
#00D1D1
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #57c5eb;
/* rgb */ color: rgb(87, 197, 235);
/* oklch */ color: oklch(77.4% 0.113 224.0);
Tailwind
colors: {
  custom: {
    50: '#95d6f1',
    500: '#57c5eb',
    950: '#000000',
  },
}
SCSS
$custom: #57c5eb;
$custom-light: #95d6f1;
$custom-dark: #000000;
JSON
{
  "hex": "#57c5eb",
  "rgb": {
    "r": 87,
    "g": 197,
    "b": 235
  },
  "hsl": {
    "h": 195.405,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.77448,
    "c": 0.11315,
    "h": 224
  },
  "luminance": 0.47957
}

Semantic roles & 50–950 ramp

primary
#57C5EB
secondary
#E9C2B4
accent
#400ADB
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1416
muted
#7E8384

Preview Lab

Preview with #57C5EB

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

Preview Lab → · Contrast checker → · Palette generator →

#57C5EB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva