#57BDF6#57BDF6

#57BDF6 is a light, vivid cyan. Relative luminance 0.451; OKLCH L 76.1% C 0.125 H 236.2°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX#57BDF6
RGBrgb(87, 189, 246)
HSLhsl(202, 90%, 65%)
HSVhsv(202, 65%, 96%)
CMYKcmyk(64.6%, 23.2%, 0%, 3.5%)
CIE-LABlab(72.94, -12.59, -36.98)
CIE-LCHlch(72.94, 39.06, 251.20°)
OKLaboklab(76.11% -0.0695 -0.1038)
OKLCHoklch(76.11% 0.125 236.2)
XYZxyz(38.7562, 45.0712, 93.8280)
Luminance0.4507 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BDF6 #F69057
analogous
#57F6DF #57BDF6 #576EF6
triadic
#57BDF6 #F657BD #BDF657
tetradic
#57BDF6 #DF57F6 #F69057 #6EF657
square
#57BDF6 #DF57F6 #F69057 #6EF657
split-complementary
#57BDF6 #F6576E #F6DF57
monochromatic
#0B84C8 #1DA6F3 #57BDF6 #91D4F9 #CBEBFC

Accessibility & contrast

On white

2.10
#57BDF6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.02
#57BDF6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDF6
10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BDF6#FFFFFF#000000##000000
##57BDF61.002.1010.0210.02
#FFFFFF2.101.0021.0021.00
#00000010.0221.001.001.00
##00000010.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2BCF9
Deuteranopia (green-blind)
#8CACF5
Tritanopia (blue-blind)
#00CCD0
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #57bdf6;
/* rgb */ color: rgb(87, 189, 246);
/* oklch */ color: oklch(76.1% 0.125 236.2);
Tailwind
colors: {
  custom: {
    50: '#95d0f9',
    500: '#57bdf6',
    950: '#000000',
  },
}
SCSS
$custom: #57bdf6;
$custom-light: #95d0f9;
$custom-dark: #000000;
JSON
{
  "hex": "#57bdf6",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 246
  },
  "hsl": {
    "h": 201.509,
    "s": 89.831,
    "l": 65.294
  },
  "oklch": {
    "l": 0.76108,
    "c": 0.12493,
    "h": 236.2
  },
  "luminance": 0.45075
}

Semantic roles & 50–950 ramp

primary
#57BDF6
secondary
#EFCDBA
accent
#5200E6
background
#F9FCFF
surface
#F2F9FF
border
#CCD2D7
text
#0F1417
muted
#7E8285

Preview Lab

Preview with #57BDF6

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

Preview Lab → · Contrast checker → · Palette generator →

#57BDF6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva