#57BEF6#57BEF6

#57BEF6 is a light, vivid cyan. Relative luminance 0.455; OKLCH L 76.3% C 0.124 H 235.5°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX#57BEF6
RGBrgb(87, 190, 246)
HSLhsl(201, 90%, 65%)
HSVhsv(201, 65%, 96%)
CMYKcmyk(64.6%, 22.8%, 0%, 3.5%)
CIE-LABlab(73.22, -13.12, -36.54)
CIE-LCHlch(73.22, 38.82, 250.25°)
OKLaboklab(76.33% -0.0705 -0.1025)
OKLCHoklch(76.33% 0.124 235.5)
XYZxyz(38.9720, 45.5029, 93.9000)
Luminance0.4551 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BEF6 #F68F57
analogous
#57F6DE #57BEF6 #576EF6
triadic
#57BEF6 #F657BE #BEF657
tetradic
#57BEF6 #DE57F6 #F68F57 #6EF657
square
#57BEF6 #DE57F6 #F68F57 #6EF657
split-complementary
#57BEF6 #F6576E #F6DE57
monochromatic
#0B85C8 #1DA8F3 #57BEF6 #91D4F9 #CBEBFC

Accessibility & contrast

On white

2.08
#57BEF6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.10
#57BEF6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BEF6
10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BEF6#FFFFFF#000000##000000
##57BEF61.002.0810.1010.10
#FFFFFF2.081.0021.0021.00
#00000010.1021.001.001.00
##00000010.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3BDF9
Deuteranopia (green-blind)
#8DADF5
Tritanopia (blue-blind)
#00CDD1
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #57bef6;
/* rgb */ color: rgb(87, 190, 246);
/* oklch */ color: oklch(76.3% 0.124 235.5);
Tailwind
colors: {
  custom: {
    50: '#96d1f9',
    500: '#57bef6',
    950: '#000000',
  },
}
SCSS
$custom: #57bef6;
$custom-light: #96d1f9;
$custom-dark: #000000;
JSON
{
  "hex": "#57bef6",
  "rgb": {
    "r": 87,
    "g": 190,
    "b": 246
  },
  "hsl": {
    "h": 201.132,
    "s": 89.831,
    "l": 65.294
  },
  "oklch": {
    "l": 0.76333,
    "c": 0.12444,
    "h": 235.5
  },
  "luminance": 0.45507
}

Semantic roles & 50–950 ramp

primary
#57BEF6
secondary
#EFCCBA
accent
#5100E6
background
#F9FCFF
surface
#F2F9FF
border
#CCD2D7
text
#0F1417
muted
#7E8285

Preview Lab

Preview with #57BEF6

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

Preview Lab → · Contrast checker → · Palette generator →

#57BEF6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva