#57B0DB#57B0DB

#57B0DB is a light, moderate cyan. Relative luminance 0.382; OKLCH L 72.0% C 0.106 H 231.8°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX#57B0DB
RGBrgb(87, 176, 219)
HSLhsl(200, 65%, 60%)
HSVhsv(200, 60%, 86%)
CMYKcmyk(60.3%, 19.6%, 0%, 14.1%)
CIE-LABlab(68.16, -14.06, -29.68)
CIE-LCHlch(68.16, 32.85, 244.65°)
OKLaboklab(71.96% -0.0653 -0.0829)
OKLCHoklch(71.96% 0.106 231.8)
XYZxyz(32.2371, 38.1882, 72.6763)
Luminance0.3819 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B0DB #DB8257
analogous
#57DBC4 #57B0DB #576EDB
triadic
#57B0DB #DB57B0 #B0DB57
tetradic
#57B0DB #C457DB #DB8257 #6EDB57
square
#57B0DB #C457DB #DB8257 #6EDB57
split-complementary
#57B0DB #DB576E #DBC457
monochromatic
#207197 #2B96CA #57B0DB #89C8E6 #BCDFF1

Accessibility & contrast

On white

2.43
#57B0DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.64
#57B0DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0DB
8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B0DB#FFFFFF#000000##000000
##57B0DB1.002.438.648.64
#FFFFFF2.431.0021.0021.00
#0000008.6421.001.001.00
##0000008.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BAEDD
Deuteranopia (green-blind)
#88A0DA
Tritanopia (blue-blind)
#00BCBE
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #57b0db;
/* rgb */ color: rgb(87, 176, 219);
/* oklch */ color: oklch(72.0% 0.106 231.8);
Tailwind
colors: {
  custom: {
    50: '#92c7e6',
    500: '#57b0db',
    950: '#000000',
  },
}
SCSS
$custom: #57b0db;
$custom-light: #92c7e6;
$custom-dark: #000000;
JSON
{
  "hex": "#57b0db",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 219
  },
  "hsl": {
    "h": 199.545,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.71955,
    "c": 0.10557,
    "h": 231.8
  },
  "luminance": 0.38191
}

Semantic roles & 50–950 ramp

primary
#57B0DB
secondary
#E0BEAD
accent
#7740E8
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57B0DB

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

Preview Lab → · Contrast checker → · Palette generator →

#57B0DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva