#57ABF1#57ABF1

#57ABF1 is a light, vivid cyan. Relative luminance 0.375; OKLCH L 71.9% C 0.131 H 246.2°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX#57ABF1
RGBrgb(87, 171, 241)
HSLhsl(207, 85%, 64%)
HSVhsv(207, 64%, 95%)
CMYKcmyk(63.9%, 29%, 0%, 5.5%)
CIE-LABlab(67.65, -4.36, -42.51)
CIE-LCHlch(67.65, 42.74, 264.14°)
OKLaboklab(71.85% -0.053 -0.12)
OKLCHoklch(71.85% 0.131 246.2)
XYZxyz(34.3646, 37.4995, 88.6291)
Luminance0.3750 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57ABF1 #F19D57
analogous
#57F1EA #57ABF1 #575EF1
triadic
#57ABF1 #F157AB #ABF157
tetradic
#57ABF1 #EA57F1 #F19D57 #5EF157
square
#57ABF1 #EA57F1 #F19D57 #5EF157
split-complementary
#57ABF1 #F1575E #F1EA57
monochromatic
#106FBE #1F8FEC #57ABF1 #8FC7F6 #C8E3FA

Accessibility & contrast

On white

2.47
#57ABF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.50
#57ABF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ABF1
8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57ABF1#FFFFFF#000000##000000
##57ABF11.002.478.508.50
#FFFFFF2.471.0021.0021.00
#0000008.5021.001.001.00
##0000008.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CADF4
Deuteranopia (green-blind)
#779EF0
Tritanopia (blue-blind)
#00BCC4
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #57abf1;
/* rgb */ color: rgb(87, 171, 241);
/* oklch */ color: oklch(71.9% 0.131 246.2);
Tailwind
colors: {
  custom: {
    50: '#94c3f6',
    500: '#57abf1',
    950: '#000000',
  },
}
SCSS
$custom: #57abf1;
$custom-light: #94c3f6;
$custom-dark: #000000;
JSON
{
  "hex": "#57abf1",
  "rgb": {
    "r": 87,
    "g": 171,
    "b": 241
  },
  "hsl": {
    "h": 207.273,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.71853,
    "c": 0.13115,
    "h": 246.2
  },
  "luminance": 0.37503
}

Semantic roles & 50–950 ramp

primary
#57ABF1
secondary
#EDCFB7
accent
#6904E1
background
#F9FBFF
surface
#F2F7FE
border
#CCD0D6
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57ABF1

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

Preview Lab → · Contrast checker → · Palette generator →

#57ABF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva