#57A9E8#57A9E8

#57A9E8 is a light, vivid cyan. Relative luminance 0.362; OKLCH L 71.0% C 0.122 H 244.0°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#57A9E8
RGBrgb(87, 169, 232)
HSLhsl(206, 76%, 63%)
HSVhsv(206, 63%, 91%)
CMYKcmyk(62.5%, 27.2%, 0%, 9%)
CIE-LABlab(66.69, -6.15, -39.09)
CIE-LCHlch(66.69, 39.57, 261.06°)
OKLaboklab(70.97% -0.0537 -0.1101)
OKLCHoklch(70.97% 0.122 244)
XYZxyz(32.6785, 36.2251, 81.5983)
Luminance0.3623 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A9E8 #E89657
analogous
#57E8DE #57A9E8 #5761E8
triadic
#57A9E8 #E857A9 #A9E857
tetradic
#57A9E8 #DE57E8 #E89657 #61E857
square
#57A9E8 #DE57E8 #E89657 #61E857
split-complementary
#57A9E8 #E85761 #E8DE57
monochromatic
#186CAD #218DE1 #57A9E8 #8DC5EF #C3E0F7

Accessibility & contrast

On white

2.55
#57A9E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.25
#57A9E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9E8
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A9E8#FFFFFF#000000##000000
##57A9E81.002.558.258.25
#FFFFFF2.551.0021.0021.00
#0000008.2521.001.001.00
##0000008.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8DAAEB
Deuteranopia (green-blind)
#799CE7
Tritanopia (blue-blind)
#00B8BF
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #57a9e8;
/* rgb */ color: rgb(87, 169, 232);
/* oklch */ color: oklch(71.0% 0.122 244.0);
Tailwind
colors: {
  custom: {
    50: '#93c2ef',
    500: '#57a9e8',
    950: '#000000',
  },
}
SCSS
$custom: #57a9e8;
$custom-light: #93c2ef;
$custom-dark: #000000;
JSON
{
  "hex": "#57a9e8",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 232
  },
  "hsl": {
    "h": 206.069,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.70967,
    "c": 0.12246,
    "h": 244
  },
  "luminance": 0.36228
}

Semantic roles & 50–950 ramp

primary
#57A9E8
secondary
#E8CAB3
accent
#650DD8
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A9E8

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

Preview Lab → · Contrast checker → · Palette generator →

#57A9E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva