#57A8F5#57A8F5

#57A8F5 is a light, vivid cyan. Relative luminance 0.366; OKLCH L 71.4% C 0.138 H 249.3°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX#57A8F5
RGBrgb(87, 168, 245)
HSLhsl(209, 89%, 65%)
HSVhsv(209, 64%, 96%)
CMYKcmyk(64.5%, 31.4%, 0%, 3.9%)
CIE-LABlab(66.99, -1.37, -45.73)
CIE-LCHlch(66.99, 45.75, 268.28°)
OKLaboklab(71.39% -0.0489 -0.1293)
OKLCHoklch(71.39% 0.138 249.3)
XYZxyz(34.4084, 36.6206, 91.6236)
Luminance0.3662 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A8F5 #F5A457
analogous
#57F5F3 #57A8F5 #5759F5
triadic
#57A8F5 #F557A8 #A8F557
tetradic
#57A8F5 #F357F5 #F5A457 #59F557
square
#57A8F5 #F357F5 #F5A457 #59F557
split-complementary
#57A8F5 #F55759 #F5F357
monochromatic
#0C6BC6 #1D8AF2 #57A8F5 #91C6F8 #CBE4FC

Accessibility & contrast

On white

2.52
#57A8F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.32
#57A8F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A8F5
8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A8F5#FFFFFF#000000##000000
##57A8F51.002.528.328.32
#FFFFFF2.521.0021.0021.00
#0000008.3221.001.001.00
##0000008.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#86ABF8
Deuteranopia (green-blind)
#719CF3
Tritanopia (blue-blind)
#00BAC3
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #57a8f5;
/* rgb */ color: rgb(87, 168, 245);
/* oklch */ color: oklch(71.4% 0.138 249.3);
Tailwind
colors: {
  custom: {
    50: '#95c1f9',
    500: '#57a8f5',
    950: '#000000',
  },
}
SCSS
$custom: #57a8f5;
$custom-light: #95c1f9;
$custom-dark: #000000;
JSON
{
  "hex": "#57a8f5",
  "rgb": {
    "r": 87,
    "g": 168,
    "b": 245
  },
  "hsl": {
    "h": 209.241,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.71394,
    "c": 0.13826,
    "h": 249.3
  },
  "luminance": 0.36624
}

Semantic roles & 50–950 ramp

primary
#57A8F5
secondary
#EFD3B9
accent
#7000E5
background
#F9FBFF
surface
#F2F7FF
border
#CCD0D7
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57A8F5

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

Preview Lab → · Contrast checker → · Palette generator →

#57A8F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva