#57C4F0#57C4F0

#57C4F0 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.117 H 227.8°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX#57C4F0
RGBrgb(87, 196, 240)
HSLhsl(197, 84%, 64%)
HSVhsv(197, 64%, 94%)
CMYKcmyk(63.7%, 18.3%, 0%, 5.9%)
CIE-LABlab(74.69, -18.14, -31.03)
CIE-LCHlch(74.69, 35.94, 239.69°)
OKLaboklab(77.43% -0.0786 -0.0867)
OKLCHoklch(77.43% 0.117 227.8)
XYZxyz(39.3924, 47.7932, 89.5702)
Luminance0.4780 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C4F0 #F08357
analogous
#57F0D0 #57C4F0 #5778F0
triadic
#57C4F0 #F057C4 #C4F057
tetradic
#57C4F0 #D057F0 #F08357 #78F057
square
#57C4F0 #D057F0 #F08357 #78F057
split-complementary
#57C4F0 #F05778 #F0D057
monochromatic
#118BBC #1FB0EB #57C4F0 #8FD8F5 #C7EBFA

Accessibility & contrast

On white

1.99
#57C4F0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.56
#57C4F0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4F0
10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C4F0#FFFFFF#000000##000000
##57C4F01.001.9910.5610.56
#FFFFFF1.991.0021.0021.00
#00000010.5621.001.001.00
##00000010.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADC1F2
Deuteranopia (green-blind)
#97B1EF
Tritanopia (blue-blind)
#00D1D2
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #57c4f0;
/* rgb */ color: rgb(87, 196, 240);
/* oklch */ color: oklch(77.4% 0.117 227.8);
Tailwind
colors: {
  custom: {
    50: '#95d6f5',
    500: '#57c4f0',
    950: '#000000',
  },
}
SCSS
$custom: #57c4f0;
$custom-light: #95d6f5;
$custom-dark: #000000;
JSON
{
  "hex": "#57c4f0",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 240
  },
  "hsl": {
    "h": 197.255,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.77429,
    "c": 0.11703,
    "h": 227.8
  },
  "luminance": 0.47797
}

Semantic roles & 50–950 ramp

primary
#57C4F0
secondary
#ECC6B7
accent
#4405E0
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1417
muted
#7E8385

Preview Lab

Preview with #57C4F0

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

Preview Lab → · Contrast checker → · Palette generator →

#57C4F0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva