#57AFF1#57AFF1

#57AFF1 is a light, vivid cyan. Relative luminance 0.390; OKLCH L 72.7% C 0.128 H 243.6°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#57AFF1
RGBrgb(87, 175, 241)
HSLhsl(206, 85%, 64%)
HSVhsv(206, 64%, 95%)
CMYKcmyk(63.9%, 27.4%, 0%, 5.5%)
CIE-LABlab(68.78, -6.58, -40.75)
CIE-LCHlch(68.78, 41.28, 260.83°)
OKLaboklab(72.74% -0.057 -0.1148)
OKLCHoklch(72.74% 0.128 243.6)
XYZxyz(35.1317, 39.0335, 88.8848)
Luminance0.3904 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57AFF1 #F19957
analogous
#57F1E6 #57AFF1 #5762F1
triadic
#57AFF1 #F157AF #AFF157
tetradic
#57AFF1 #E657F1 #F19957 #62F157
square
#57AFF1 #E657F1 #F19957 #62F157
split-complementary
#57AFF1 #F15762 #F1E657
monochromatic
#1073BE #1F94EC #57AFF1 #8FCAF6 #C8E5FA

Accessibility & contrast

On white

2.38
#57AFF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.81
#57AFF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AFF1
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57AFF1#FFFFFF#000000##000000
##57AFF11.002.388.818.81
#FFFFFF2.381.0021.0021.00
#0000008.8121.001.001.00
##0000008.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#92B0F4
Deuteranopia (green-blind)
#7DA1F0
Tritanopia (blue-blind)
#00BFC6
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #57aff1;
/* rgb */ color: rgb(87, 175, 241);
/* oklch */ color: oklch(72.7% 0.128 243.6);
Tailwind
colors: {
  custom: {
    50: '#94c6f6',
    500: '#57aff1',
    950: '#000000',
  },
}
SCSS
$custom: #57aff1;
$custom-light: #94c6f6;
$custom-dark: #000000;
JSON
{
  "hex": "#57aff1",
  "rgb": {
    "r": 87,
    "g": 175,
    "b": 241
  },
  "hsl": {
    "h": 205.714,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.72741,
    "c": 0.12821,
    "h": 243.6
  },
  "luminance": 0.39037
}

Semantic roles & 50–950 ramp

primary
#57AFF1
secondary
#EDCEB7
accent
#6304E1
background
#F9FCFF
surface
#F2F8FE
border
#CCD1D6
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #57AFF1

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

Preview Lab → · Contrast checker → · Palette generator →

#57AFF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva