#57A4F5#57A4F5

#57A4F5 is a light, vivid cyan. Relative luminance 0.352; OKLCH L 70.5% C 0.142 H 251.5°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#57A4F5
RGBrgb(87, 164, 245)
HSLhsl(211, 89%, 65%)
HSVhsv(211, 64%, 96%)
CMYKcmyk(64.5%, 33.1%, 0%, 3.9%)
CIE-LABlab(65.88, 0.90, -47.48)
CIE-LCHlch(65.88, 47.49, 271.09°)
OKLaboklab(70.52% -0.0449 -0.1345)
OKLCHoklch(70.52% 0.142 251.5)
XYZxyz(33.6813, 35.1664, 91.3813)
Luminance0.3517 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A4F5 #F5A857
analogous
#57F3F5 #57A4F5 #5957F5
triadic
#57A4F5 #F557A4 #A4F557
tetradic
#57A4F5 #F557F3 #F5A857 #57F559
square
#57A4F5 #F557F3 #F5A857 #57F559
split-complementary
#57A4F5 #F55957 #F3F557
monochromatic
#0C66C6 #1D85F2 #57A4F5 #91C3F8 #CBE3FC

Accessibility & contrast

On white

2.61
#57A4F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.03
#57A4F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4F5
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A4F5#FFFFFF#000000##000000
##57A4F51.002.618.038.03
#FFFFFF2.611.0021.0021.00
#0000008.0321.001.001.00
##0000008.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#81A8F8
Deuteranopia (green-blind)
#6B99F3
Tritanopia (blue-blind)
#00B7C1
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #57a4f5;
/* rgb */ color: rgb(87, 164, 245);
/* oklch */ color: oklch(70.5% 0.142 251.5);
Tailwind
colors: {
  custom: {
    50: '#95bef9',
    500: '#57a4f5',
    950: '#000000',
  },
}
SCSS
$custom: #57a4f5;
$custom-light: #95bef9;
$custom-dark: #000000;
JSON
{
  "hex": "#57a4f5",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 245
  },
  "hsl": {
    "h": 210.759,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.7052,
    "c": 0.14179,
    "h": 251.5
  },
  "luminance": 0.3517
}

Semantic roles & 50–950 ramp

primary
#57A4F5
secondary
#EFD5B9
accent
#7600E5
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57A4F5

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

Preview Lab → · Contrast checker → · Palette generator →

#57A4F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva