#57BDF1#57BDF1

#57BDF1 is a light, vivid cyan. Relative luminance 0.448; OKLCH L 75.9% C 0.120 H 233.7°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX#57BDF1
RGBrgb(87, 189, 241)
HSLhsl(200, 85%, 64%)
HSVhsv(200, 64%, 95%)
CMYKcmyk(63.9%, 21.6%, 0%, 5.5%)
CIE-LABlab(72.74, -14.16, -34.59)
CIE-LCHlch(72.74, 37.37, 247.74°)
OKLaboklab(75.88% -0.0712 -0.0969)
OKLCHoklch(75.88% 0.12 233.7)
XYZxyz(37.9991, 44.7684, 89.8406)
Luminance0.4477 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BDF1 #F18B57
analogous
#57F1D8 #57BDF1 #5770F1
triadic
#57BDF1 #F157BD #BDF157
tetradic
#57BDF1 #D857F1 #F18B57 #70F157
square
#57BDF1 #D857F1 #F18B57 #70F157
split-complementary
#57BDF1 #F15770 #F1D857
monochromatic
#1083BE #1FA7EC #57BDF1 #8FD3F6 #C8E9FA

Accessibility & contrast

On white

2.11
#57BDF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.95
#57BDF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDF1
9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BDF1#FFFFFF#000000##000000
##57BDF11.002.119.959.95
#FFFFFF2.111.0021.0021.00
#0000009.9521.001.001.00
##0000009.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4BBF4
Deuteranopia (green-blind)
#8EACF0
Tritanopia (blue-blind)
#00CBCE
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #57bdf1;
/* rgb */ color: rgb(87, 189, 241);
/* oklch */ color: oklch(75.9% 0.120 233.7);
Tailwind
colors: {
  custom: {
    50: '#95d0f5',
    500: '#57bdf1',
    950: '#000000',
  },
}
SCSS
$custom: #57bdf1;
$custom-light: #95d0f5;
$custom-dark: #000000;
JSON
{
  "hex": "#57bdf1",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 241
  },
  "hsl": {
    "h": 200.26,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.75883,
    "c": 0.12026,
    "h": 233.7
  },
  "luminance": 0.44772
}

Semantic roles & 50–950 ramp

primary
#57BDF1
secondary
#EDC9B7
accent
#4F04E1
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1417
muted
#7E8285

Preview Lab

Preview with #57BDF1

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

Preview Lab → · Contrast checker → · Palette generator →

#57BDF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva