#57A3E4#57A3E4

#57A3E4 is a light, vivid cyan. Relative luminance 0.338; OKLCH L 69.4% C 0.122 H 246.5°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#57A3E4
RGBrgb(87, 163, 228)
HSLhsl(208, 72%, 62%)
HSVhsv(208, 62%, 89%)
CMYKcmyk(61.8%, 28.5%, 0%, 10.6%)
CIE-LABlab(64.82, -4.09, -39.82)
CIE-LCHlch(64.82, 40.03, 264.14°)
OKLaboklab(69.43% -0.0487 -0.1122)
OKLCHoklch(69.43% 0.122 246.5)
XYZxyz(31.0261, 33.8191, 78.2764)
Luminance0.3382 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A3E4 #E49857
analogous
#57E4DF #57A3E4 #575CE4
triadic
#57A3E4 #E457A3 #A3E457
tetradic
#57A3E4 #DF57E4 #E49857 #5CE457
square
#57A3E4 #DF57E4 #E49857 #5CE457
split-complementary
#57A3E4 #E4575C #E4DF57
monochromatic
#1B66A6 #2386DB #57A3E4 #8CC0EC #C0DDF5

Accessibility & contrast

On white

2.70
#57A3E4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.76
#57A3E4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3E4
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A3E4#FFFFFF#000000##000000
##57A3E41.002.707.767.76
#FFFFFF2.701.0021.0021.00
#0000007.7621.001.001.00
##0000007.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#87A5E7
Deuteranopia (green-blind)
#7497E3
Tritanopia (blue-blind)
#00B2BA
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #57a3e4;
/* rgb */ color: rgb(87, 163, 228);
/* oklch */ color: oklch(69.4% 0.122 246.5);
Tailwind
colors: {
  custom: {
    50: '#92beec',
    500: '#57a3e4',
    950: '#000000',
  },
}
SCSS
$custom: #57a3e4;
$custom-light: #92beec;
$custom-dark: #000000;
JSON
{
  "hex": "#57a3e4",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 228
  },
  "hsl": {
    "h": 207.66,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.69431,
    "c": 0.12232,
    "h": 246.5
  },
  "luminance": 0.33822
}

Semantic roles & 50–950 ramp

primary
#57A3E4
secondary
#E6C9B1
accent
#6B11D4
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A3E4

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

Preview Lab → · Contrast checker → · Palette generator →

#57A3E4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva