#57BDE7#57BDE7

#57BDE7 is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.4% C 0.112 H 228.1°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX#57BDE7
RGBrgb(87, 189, 231)
HSLhsl(198, 75%, 62%)
HSVhsv(198, 62%, 91%)
CMYKcmyk(62.3%, 18.2%, 0%, 9.4%)
CIE-LABlab(72.35, -17.25, -29.77)
CIE-LCHlch(72.35, 34.41, 239.91°)
OKLaboklab(75.45% -0.0747 -0.0831)
OKLCHoklch(75.45% 0.112 228.1)
XYZxyz(36.5462, 44.1872, 82.1888)
Luminance0.4419 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BDE7 #E78157
analogous
#57E7C9 #57BDE7 #5775E7
triadic
#57BDE7 #E757BD #BDE757
tetradic
#57BDE7 #C957E7 #E78157 #75E757
square
#57BDE7 #C957E7 #E78157 #75E757
split-complementary
#57BDE7 #E75775 #E7C957
monochromatic
#1880AB #21A8DF #57BDE7 #8DD2EF #C2E7F6

Accessibility & contrast

On white

2.13
#57BDE7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.84
#57BDE7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDE7
9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BDE7#FFFFFF#000000##000000
##57BDE71.002.139.849.84
#FFFFFF2.131.0021.0021.00
#0000009.8421.001.001.00
##0000009.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7BAE9
Deuteranopia (green-blind)
#93ABE6
Tritanopia (blue-blind)
#00C9CB
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #57bde7;
/* rgb */ color: rgb(87, 189, 231);
/* oklch */ color: oklch(75.4% 0.112 228.1);
Tailwind
colors: {
  custom: {
    50: '#94d1ee',
    500: '#57bde7',
    950: '#000000',
  },
}
SCSS
$custom: #57bde7;
$custom-light: #94d1ee;
$custom-dark: #000000;
JSON
{
  "hex": "#57bde7",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 231
  },
  "hsl": {
    "h": 197.5,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.75449,
    "c": 0.11174,
    "h": 228.1
  },
  "luminance": 0.44191
}

Semantic roles & 50–950 ramp

primary
#57BDE7
secondary
#E7C2B3
accent
#490ED7
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #57BDE7

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

Preview Lab → · Contrast checker → · Palette generator →

#57BDE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva