#57B6EC#57B6EC

#57B6EC is a light, moderate cyan. Relative luminance 0.415; OKLCH L 74.1% C 0.119 H 236.4°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX#57B6EC
RGBrgb(87, 182, 236)
HSLhsl(202, 80%, 63%)
HSVhsv(202, 63%, 93%)
CMYKcmyk(63.1%, 22.9%, 0%, 7.5%)
CIE-LABlab(70.55, -11.99, -35.27)
CIE-LCHlch(70.55, 37.25, 251.23°)
OKLaboklab(74.08% -0.0657 -0.0989)
OKLCHoklch(74.08% 0.119 236.4)
XYZxyz(35.7929, 41.5346, 85.4713)
Luminance0.4154 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B6EC #EC8D57
analogous
#57ECD7 #57B6EC #576BEC
triadic
#57B6EC #EC57B6 #B6EC57
tetradic
#57B6EC #D757EC #EC8D57 #6BEC57
square
#57B6EC #D757EC #EC8D57 #6BEC57
split-complementary
#57B6EC #EC576B #ECD757
monochromatic
#147AB4 #209EE6 #57B6EC #8ECEF2 #C5E6F8

Accessibility & contrast

On white

2.26
#57B6EC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.31
#57B6EC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B6EC
9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B6EC#FFFFFF#000000##000000
##57B6EC1.002.269.319.31
#FFFFFF2.261.0021.0021.00
#0000009.3121.001.001.00
##0000009.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB5EF
Deuteranopia (green-blind)
#88A6EB
Tritanopia (blue-blind)
#00C4C8
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #57b6ec;
/* rgb */ color: rgb(87, 182, 236);
/* oklch */ color: oklch(74.1% 0.119 236.4);
Tailwind
colors: {
  custom: {
    50: '#94cbf2',
    500: '#57b6ec',
    950: '#000000',
  },
}
SCSS
$custom: #57b6ec;
$custom-light: #94cbf2;
$custom-dark: #000000;
JSON
{
  "hex": "#57b6ec",
  "rgb": {
    "r": 87,
    "g": 182,
    "b": 236
  },
  "hsl": {
    "h": 201.745,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.74077,
    "c": 0.1188,
    "h": 236.4
  },
  "luminance": 0.41538
}

Semantic roles & 50–950 ramp

primary
#57B6EC
secondary
#EAC8B5
accent
#560ADC
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #57B6EC

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

Preview Lab → · Contrast checker → · Palette generator →

#57B6EC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva