#57A1EA#57A1EA

#57A1EA is a light, vivid cyan. Relative luminance 0.335; OKLCH L 69.3% C 0.131 H 250.0°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX#57A1EA
RGBrgb(87, 161, 234)
HSLhsl(210, 78%, 63%)
HSVhsv(210, 63%, 92%)
CMYKcmyk(62.8%, 31.2%, 0%, 8.2%)
CIE-LABlab(64.53, -1.00, -43.58)
CIE-LCHlch(64.53, 43.59, 268.68°)
OKLaboklab(69.29% -0.0449 -0.1231)
OKLCHoklch(69.29% 0.131 250)
XYZxyz(31.5212, 33.4534, 82.6219)
Luminance0.3346 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A1EA #EAA057
analogous
#57EAEA #57A1EA #5757EA
triadic
#57A1EA #EA57A1 #A1EA57
tetradic
#57A1EA #EA57EA #EAA057 #57EA57
square
#57A1EA #EA57EA #EAA057 #57EA57
split-complementary
#57A1EA #EA5757 #EAEA57
monochromatic
#1664B1 #2183E3 #57A1EA #8DBFF1 #C4DEF8

Accessibility & contrast

On white

2.73
#57A1EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.69
#57A1EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1EA
7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A1EA#FFFFFF#000000##000000
##57A1EA1.002.737.697.69
#FFFFFF2.731.0021.0021.00
#0000007.6921.001.001.00
##0000007.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#81A4ED
Deuteranopia (green-blind)
#6D96E9
Tritanopia (blue-blind)
#00B2BB
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #57a1ea;
/* rgb */ color: rgb(87, 161, 234);
/* oklch */ color: oklch(69.3% 0.131 250.0);
Tailwind
colors: {
  custom: {
    50: '#93bcf1',
    500: '#57a1ea',
    950: '#000000',
  },
}
SCSS
$custom: #57a1ea;
$custom-light: #93bcf1;
$custom-dark: #000000;
JSON
{
  "hex": "#57a1ea",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 234
  },
  "hsl": {
    "h": 209.796,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6929,
    "c": 0.13108,
    "h": 250
  },
  "luminance": 0.33456
}

Semantic roles & 50–950 ramp

primary
#57A1EA
secondary
#E9CEB4
accent
#720BDA
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A1EA

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

Preview Lab → · Contrast checker → · Palette generator →

#57A1EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva