#57BFDB#57BFDB

#57BFDB is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.4% C 0.103 H 218.3°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX#57BFDB
RGBrgb(87, 191, 219)
HSLhsl(193, 65%, 60%)
HSVhsv(193, 60%, 86%)
CMYKcmyk(60.3%, 12.8%, 0%, 14.1%)
CIE-LABlab(72.49, -21.89, -23.04)
CIE-LCHlch(72.49, 31.78, 226.46°)
OKLaboklab(75.42% -0.0812 -0.064)
OKLCHoklch(75.42% 0.103 218.3)
XYZxyz(35.3423, 44.3987, 73.7114)
Luminance0.4440 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BFDB #DB7357
analogous
#57DBB5 #57BFDB #577DDB
triadic
#57BFDB #DB57BF #BFDB57
tetradic
#57BFDB #B557DB #DB7357 #7DDB57
square
#57BFDB #B557DB #DB7357 #7DDB57
split-complementary
#57BFDB #DB577D #DBB557
monochromatic
#207E97 #2BA8CA #57BFDB #89D2E6 #BCE5F1

Accessibility & contrast

On white

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

On black

9.88
#57BFDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BFDB
9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BFDB#FFFFFF#000000##000000
##57BFDB1.002.139.889.88
#FFFFFF2.131.0021.0021.00
#0000009.8821.001.001.00
##0000009.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADBADD
Deuteranopia (green-blind)
#9AACDB
Tritanopia (blue-blind)
#00C9C8
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #57bfdb;
/* rgb */ color: rgb(87, 191, 219);
/* oklch */ color: oklch(75.4% 0.103 218.3);
Tailwind
colors: {
  custom: {
    50: '#93d2e6',
    500: '#57bfdb',
    950: '#000000',
  },
}
SCSS
$custom: #57bfdb;
$custom-light: #93d2e6;
$custom-dark: #000000;
JSON
{
  "hex": "#57bfdb",
  "rgb": {
    "r": 87,
    "g": 191,
    "b": 219
  },
  "hsl": {
    "h": 192.727,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.75417,
    "c": 0.10339,
    "h": 218.3
  },
  "luminance": 0.44402
}

Semantic roles & 50–950 ramp

primary
#57BFDB
secondary
#E0B8AD
accent
#6440E8
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #57BFDB

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

Preview Lab → · Contrast checker → · Palette generator →

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