#57A4EA#57A4EA

#57A4EA is a light, vivid cyan. Relative luminance 0.345; OKLCH L 70.0% C 0.129 H 248.1°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX#57A4EA
RGBrgb(87, 164, 234)
HSLhsl(209, 78%, 63%)
HSVhsv(209, 63%, 92%)
CMYKcmyk(62.8%, 29.9%, 0%, 8.2%)
CIE-LABlab(65.37, -2.71, -42.26)
CIE-LCHlch(65.37, 42.35, 266.34°)
OKLaboklab(69.95% -0.048 -0.1193)
OKLCHoklch(69.95% 0.129 248.1)
XYZxyz(32.0517, 34.5145, 82.7988)
Luminance0.3452 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A4EA #EA9D57
analogous
#57EAE6 #57A4EA #575BEA
triadic
#57A4EA #EA57A4 #A4EA57
tetradic
#57A4EA #E657EA #EA9D57 #5BEA57
square
#57A4EA #E657EA #EA9D57 #5BEA57
split-complementary
#57A4EA #EA575B #EAE657
monochromatic
#1667B1 #2187E3 #57A4EA #8DC1F1 #C4DFF8

Accessibility & contrast

On white

2.66
#57A4EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.90
#57A4EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4EA
7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A4EA#FFFFFF#000000##000000
##57A4EA1.002.667.907.90
#FFFFFF2.661.0021.0021.00
#0000007.9021.001.001.00
##0000007.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#86A7ED
Deuteranopia (green-blind)
#7298E9
Tritanopia (blue-blind)
#00B5BD
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #57a4ea;
/* rgb */ color: rgb(87, 164, 234);
/* oklch */ color: oklch(70.0% 0.129 248.1);
Tailwind
colors: {
  custom: {
    50: '#93bef1',
    500: '#57a4ea',
    950: '#000000',
  },
}
SCSS
$custom: #57a4ea;
$custom-light: #93bef1;
$custom-dark: #000000;
JSON
{
  "hex": "#57a4ea",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 234
  },
  "hsl": {
    "h": 208.571,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.69953,
    "c": 0.12856,
    "h": 248.1
  },
  "luminance": 0.34518
}

Semantic roles & 50–950 ramp

primary
#57A4EA
secondary
#E9CDB4
accent
#6E0BDA
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A4EA

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

Preview Lab → · Contrast checker → · Palette generator →

#57A4EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva