#57A8E8#57A8E8

#57A8E8 is a light, vivid cyan. Relative luminance 0.359; OKLCH L 70.7% C 0.123 H 244.7°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX#57A8E8
RGBrgb(87, 168, 232)
HSLhsl(206, 76%, 63%)
HSVhsv(206, 63%, 91%)
CMYKcmyk(62.5%, 27.6%, 0%, 9%)
CIE-LABlab(66.41, -5.60, -39.53)
CIE-LCHlch(66.41, 39.93, 261.94°)
OKLaboklab(70.74% -0.0527 -0.1113)
OKLCHoklch(70.74% 0.123 244.7)
XYZxyz(32.4932, 35.8545, 81.5365)
Luminance0.3586 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A8E8 #E89757
analogous
#57E8E0 #57A8E8 #575FE8
triadic
#57A8E8 #E857A8 #A8E857
tetradic
#57A8E8 #E057E8 #E89757 #5FE857
square
#57A8E8 #E057E8 #E89757 #5FE857
split-complementary
#57A8E8 #E8575F #E8E057
monochromatic
#186BAD #218CE1 #57A8E8 #8DC4EF #C3E0F7

Accessibility & contrast

On white

2.57
#57A8E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.17
#57A8E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A8E8
8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A8E8#FFFFFF#000000##000000
##57A8E81.002.578.178.17
#FFFFFF2.571.0021.0021.00
#0000008.1721.001.001.00
##0000008.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CA9EB
Deuteranopia (green-blind)
#789BE7
Tritanopia (blue-blind)
#00B7BE
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #57a8e8;
/* rgb */ color: rgb(87, 168, 232);
/* oklch */ color: oklch(70.7% 0.123 244.7);
Tailwind
colors: {
  custom: {
    50: '#93c1ef',
    500: '#57a8e8',
    950: '#000000',
  },
}
SCSS
$custom: #57a8e8;
$custom-light: #93c1ef;
$custom-dark: #000000;
JSON
{
  "hex": "#57a8e8",
  "rgb": {
    "r": 87,
    "g": 168,
    "b": 232
  },
  "hsl": {
    "h": 206.483,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.70743,
    "c": 0.12317,
    "h": 244.7
  },
  "luminance": 0.35858
}

Semantic roles & 50–950 ramp

primary
#57A8E8
secondary
#E8CAB3
accent
#670DD8
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A8E8

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

Preview Lab → · Contrast checker → · Palette generator →

#57A8E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva