#57AAFA#57AAFA

#57AAFA is a light, vivid cyan. Relative luminance 0.377; OKLCH L 72.1% C 0.142 H 249.7°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX#57AAFA
RGBrgb(87, 170, 250)
HSLhsl(209, 94%, 66%)
HSVhsv(209, 65%, 98%)
CMYKcmyk(65.2%, 32%, 0%, 2%)
CIE-LABlab(67.78, -0.86, -47.21)
CIE-LCHlch(67.78, 47.22, 268.96°)
OKLaboklab(72.09% -0.0495 -0.1336)
OKLCHoklch(72.09% 0.143 249.7)
XYZxyz(35.5541, 37.6742, 95.8221)
Luminance0.3768 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AAFA #FAA757
analogous
#57FAF9 #57AAFA #5758FA
triadic
#57AAFA #FA57AA #AAFA57
tetradic
#57AAFA #F957FA #FAA757 #58FA57
square
#57AAFA #F957FA #FAA757 #58FA57
split-complementary
#57AAFA #FA5758 #FAF957
monochromatic
#066DD0 #1C8CF8 #57AAFA #92C8FC #CEE6FE

Accessibility & contrast

On white

2.46
#57AAFA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.54
#57AAFA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAFA
8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AAFA#FFFFFF#000000##000000
##57AAFA1.002.468.548.54
#FFFFFF2.461.0021.0021.00
#0000008.5421.001.001.00
##0000008.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#87AEFD
Deuteranopia (green-blind)
#709EF8
Tritanopia (blue-blind)
#00BDC7
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #57aafa;
/* rgb */ color: rgb(87, 170, 250);
/* oklch */ color: oklch(72.1% 0.142 249.7);
Tailwind
colors: {
  custom: {
    50: '#95c3fc',
    500: '#57aafa',
    950: '#000000',
  },
}
SCSS
$custom: #57aafa;
$custom-light: #95c3fc;
$custom-dark: #000000;
JSON
{
  "hex": "#57aafa",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 250
  },
  "hsl": {
    "h": 209.448,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.72089,
    "c": 0.1425,
    "h": 249.7
  },
  "luminance": 0.37678
}

Semantic roles & 50–950 ramp

primary
#57AAFA
secondary
#F1D6BC
accent
#7100E6
background
#F9FBFF
surface
#F2F7FF
border
#CCD0D7
text
#0F1217
muted
#7E8185

Preview Lab

Preview with #57AAFA

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

Preview Lab → · Contrast checker → · Palette generator →

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