#57BFDF#57BFDF

#57BFDF is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.6% C 0.106 H 221.1°. Best body text is #000000 at 9.92:1 contrast (WCAG AA passes).

Color values

HEX#57BFDF
RGBrgb(87, 191, 223)
HSLhsl(194, 68%, 61%)
HSVhsv(194, 61%, 87%)
CMYKcmyk(61%, 14.3%, 0%, 12.5%)
CIE-LABlab(72.64, -20.71, -24.99)
CIE-LCHlch(72.64, 32.46, 230.36°)
OKLaboklab(75.58% -0.0797 -0.0695)
OKLCHoklch(75.58% 0.106 221.1)
XYZxyz(35.8752, 44.6119, 76.5180)
Luminance0.4462 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BFDF #DF7757
analogous
#57DFBB #57BFDF #577BDF
triadic
#57BFDF #DF57BF #BFDF57
tetradic
#57BFDF #BB57DF #DF7757 #7BDF57
square
#57BFDF #BB57DF #DF7757 #7BDF57
split-complementary
#57BFDF #DF577B #DFBB57
monochromatic
#1E809E #28A9D1 #57BFDF #8AD3E9 #BEE6F3

Accessibility & contrast

On white

2.12
#57BFDF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.92
#57BFDF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BFDF
9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BFDF#FFFFFF#000000##000000
##57BFDF1.002.129.929.92
#FFFFFF2.121.0021.0021.00
#0000009.9221.001.001.00
##0000009.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACBAE1
Deuteranopia (green-blind)
#98ACDF
Tritanopia (blue-blind)
#00C9C9
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #57bfdf;
/* rgb */ color: rgb(87, 191, 223);
/* oklch */ color: oklch(75.6% 0.106 221.1);
Tailwind
colors: {
  custom: {
    50: '#93d2e9',
    500: '#57bfdf',
    950: '#000000',
  },
}
SCSS
$custom: #57bfdf;
$custom-light: #93d2e9;
$custom-dark: #000000;
JSON
{
  "hex": "#57bfdf",
  "rgb": {
    "r": 87,
    "g": 191,
    "b": 223
  },
  "hsl": {
    "h": 194.118,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.75577,
    "c": 0.10576,
    "h": 221.1
  },
  "luminance": 0.44616
}

Semantic roles & 50–950 ramp

primary
#57BFDF
secondary
#E3BBAF
accent
#4116D0
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #57BFDF

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

Preview Lab → · Contrast checker → · Palette generator →

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