#57BCEB#57BCEB

#57BCEB is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.4% C 0.115 H 231.2°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX#57BCEB
RGBrgb(87, 188, 235)
HSLhsl(199, 79%, 63%)
HSVhsv(199, 63%, 92%)
CMYKcmyk(63%, 20%, 0%, 7.8%)
CIE-LABlab(72.22, -15.49, -32.14)
CIE-LCHlch(72.22, 35.68, 244.26°)
OKLaboklab(75.39% -0.0722 -0.0899)
OKLCHoklch(75.39% 0.115 231.2)
XYZxyz(36.9032, 43.9870, 85.1267)
Luminance0.4399 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BCEB #EB8657
analogous
#57EBD0 #57BCEB #5772EB
triadic
#57BCEB #EB57BC #BCEB57
tetradic
#57BCEB #D057EB #EB8657 #72EB57
square
#57BCEB #D057EB #EB8657 #72EB57
split-complementary
#57BCEB #EB5772 #EBD057
monochromatic
#1580B2 #20A6E4 #57BCEB #8ED2F2 #C4E8F8

Accessibility & contrast

On white

2.14
#57BCEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.80
#57BCEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BCEB
9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BCEB#FFFFFF#000000##000000
##57BCEB1.002.149.809.80
#FFFFFF2.141.0021.0021.00
#0000009.8021.001.001.00
##0000009.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4BAED
Deuteranopia (green-blind)
#90AAEA
Tritanopia (blue-blind)
#00C9CC
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #57bceb;
/* rgb */ color: rgb(87, 188, 235);
/* oklch */ color: oklch(75.4% 0.115 231.2);
Tailwind
colors: {
  custom: {
    50: '#94d0f1',
    500: '#57bceb',
    950: '#000000',
  },
}
SCSS
$custom: #57bceb;
$custom-light: #94d0f1;
$custom-dark: #000000;
JSON
{
  "hex": "#57bceb",
  "rgb": {
    "r": 87,
    "g": 188,
    "b": 235
  },
  "hsl": {
    "h": 199.054,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.75393,
    "c": 0.11533,
    "h": 231.2
  },
  "luminance": 0.43991
}

Semantic roles & 50–950 ramp

primary
#57BCEB
secondary
#E9C5B4
accent
#4D0ADB
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #57BCEB

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

Preview Lab → · Contrast checker → · Palette generator →

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