#57ADD4#57ADD4

#57ADD4 is a light, moderate cyan. Relative luminance 0.367; OKLCH L 71.0% C 0.100 H 230.0°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX#57ADD4
RGBrgb(87, 173, 212)
HSLhsl(199, 59%, 59%)
HSVhsv(199, 59%, 83%)
CMYKcmyk(59%, 18.4%, 0%, 16.9%)
CIE-LABlab(67.02, -14.60, -27.58)
CIE-LCHlch(67.02, 31.21, 242.10°)
OKLaboklab(70.96% -0.0646 -0.0769)
OKLCHoklch(70.96% 0.1 230)
XYZxyz(30.7531, 36.6639, 67.7308)
Luminance0.3667 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57ADD4 #D47E57
analogous
#57D4BC #57ADD4 #576ED4
triadic
#57ADD4 #D457AD #ADD457
tetradic
#57ADD4 #BC57D4 #D47E57 #6ED457
square
#57ADD4 #BC57D4 #D47E57 #6ED457
split-complementary
#57ADD4 #D4576E #D4BC57
monochromatic
#246C8D #3091BD #57ADD4 #88C5E0 #B8DDED

Accessibility & contrast

On white

2.52
#57ADD4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.33
#57ADD4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADD4
8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57ADD4#FFFFFF#000000##000000
##57ADD41.002.528.338.33
#FFFFFF2.521.0021.0021.00
#0000008.3321.001.001.00
##0000008.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#99ABD6
Deuteranopia (green-blind)
#889DD3
Tritanopia (blue-blind)
#00B8BA
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #57add4;
/* rgb */ color: rgb(87, 173, 212);
/* oklch */ color: oklch(71.0% 0.100 230.0);
Tailwind
colors: {
  custom: {
    50: '#91c5e1',
    500: '#57add4',
    950: '#000000',
  },
}
SCSS
$custom: #57add4;
$custom-light: #91c5e1;
$custom-dark: #000000;
JSON
{
  "hex": "#57add4",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 212
  },
  "hsl": {
    "h": 198.72,
    "s": 59.242,
    "l": 58.627
  },
  "oklch": {
    "l": 0.70962,
    "c": 0.10048,
    "h": 230
  },
  "luminance": 0.36667
}

Semantic roles & 50–950 ramp

primary
#57ADD4
secondary
#DCBAAB
accent
#7645E2
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #57ADD4

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

Preview Lab → · Contrast checker → · Palette generator →

#57ADD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva