#57D9F5#57D9F5

#57D9F5 is a very light, moderate cyan. Relative luminance 0.582; OKLCH L 82.4% C 0.119 H 214.6°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX#57D9F5
RGBrgb(87, 217, 245)
HSLhsl(191, 89%, 65%)
HSVhsv(191, 64%, 96%)
CMYKcmyk(64.5%, 11.4%, 0%, 3.9%)
CIE-LABlab(80.87, -27.23, -24.24)
CIE-LCHlch(80.87, 36.45, 221.68°)
OKLaboklab(82.44% -0.0978 -0.0674)
OKLCHoklch(82.44% 0.119 214.6)
XYZxyz(45.2179, 58.2396, 95.2268)
Luminance0.5825 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57D9F5 #F57357
analogous
#57F5C2 #57D9F5 #578AF5
triadic
#57D9F5 #F557D9 #D9F557
tetradic
#57D9F5 #C257F5 #F57357 #8AF557
square
#57D9F5 #C257F5 #F57357 #8AF557
split-complementary
#57D9F5 #F5578A #F5C257
monochromatic
#0CA5C6 #1DCCF2 #57D9F5 #91E6F8 #CBF3FC

Accessibility & contrast

On white

1.66
#57D9F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.65
#57D9F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D9F5
12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57D9F5#FFFFFF#000000##000000
##57D9F51.001.6612.6512.65
#FFFFFF1.661.0021.0021.00
#00000012.6521.001.001.00
##00000012.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5D2F7
Deuteranopia (green-blind)
#AEC2F5
Tritanopia (blue-blind)
#00E4E2
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #57d9f5;
/* rgb */ color: rgb(87, 217, 245);
/* oklch */ color: oklch(82.4% 0.119 214.6);
Tailwind
colors: {
  custom: {
    50: '#97e5f8',
    500: '#57d9f5',
    950: '#000000',
  },
}
SCSS
$custom: #57d9f5;
$custom-light: #97e5f8;
$custom-dark: #000000;
JSON
{
  "hex": "#57d9f5",
  "rgb": {
    "r": 87,
    "g": 217,
    "b": 245
  },
  "hsl": {
    "h": 190.633,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.82437,
    "c": 0.11879,
    "h": 214.6
  },
  "luminance": 0.58245
}

Semantic roles & 50–950 ramp

primary
#57D9F5
secondary
#C3482D
accent
#2900E5
background
#FCFEFF
surface
#F5FCFF
border
#CFD5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #57D9F5

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

Preview Lab → · Contrast checker → · Palette generator →

#57D9F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva