#57A9E4#57A9E4

#57A9E4 is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.8% C 0.118 H 242.3°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#57A9E4
RGBrgb(87, 169, 228)
HSLhsl(205, 72%, 62%)
HSVhsv(205, 62%, 89%)
CMYKcmyk(61.8%, 25.9%, 0%, 10.6%)
CIE-LABlab(66.52, -7.43, -37.17)
CIE-LCHlch(66.52, 37.90, 258.69°)
OKLaboklab(70.78% -0.0549 -0.1045)
OKLCHoklch(70.78% 0.118 242.3)
XYZxyz(32.1168, 36.0005, 78.6400)
Luminance0.3600 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A9E4 #E49257
analogous
#57E4D8 #57A9E4 #5763E4
triadic
#57A9E4 #E457A9 #A9E457
tetradic
#57A9E4 #D857E4 #E49257 #63E457
square
#57A9E4 #D857E4 #E49257 #63E457
split-complementary
#57A9E4 #E45763 #E4D857
monochromatic
#1B6CA6 #238EDB #57A9E4 #8CC4EC #C0DFF5

Accessibility & contrast

On white

2.56
#57A9E4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.20
#57A9E4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9E4
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A9E4#FFFFFF#000000##000000
##57A9E41.002.568.208.20
#FFFFFF2.561.0021.0021.00
#0000008.2021.001.001.00
##0000008.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8FAAE7
Deuteranopia (green-blind)
#7B9CE3
Tritanopia (blue-blind)
#00B7BD
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #57a9e4;
/* rgb */ color: rgb(87, 169, 228);
/* oklch */ color: oklch(70.8% 0.118 242.3);
Tailwind
colors: {
  custom: {
    50: '#93c2ec',
    500: '#57a9e4',
    950: '#000000',
  },
}
SCSS
$custom: #57a9e4;
$custom-light: #93c2ec;
$custom-dark: #000000;
JSON
{
  "hex": "#57a9e4",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 228
  },
  "hsl": {
    "h": 205.106,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.70775,
    "c": 0.11804,
    "h": 242.3
  },
  "luminance": 0.36004
}

Semantic roles & 50–950 ramp

primary
#57A9E4
secondary
#E6C7B1
accent
#6311D4
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A9E4

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

Preview Lab → · Contrast checker → · Palette generator →

#57A9E4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva