#57AEFF#57AEFF

#57AEFF is a light, vivid cyan. Relative luminance 0.395; OKLCH L 73.2% C 0.145 H 249.0°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#57AEFF
RGB	rgb(87, 174, 255)
HSL	hsl(209, 100%, 67%)
HSV	hsv(209, 66%, 100%)
CMYK	cmyk(65.9%, 31.8%, 0%, 0%)
CIE-LAB	lab(69.12, -1.46, -47.81)
CIE-LCH	lch(69.12, 47.83, 268.25°)
OKLab	oklab(73.22% -0.052 -0.1353)
OKLCH	oklch(73.22% 0.145 249)
XYZ	xyz(37.1098, 39.5145, 100.2597)
Luminance	0.3952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AEFF #FFA857

analogous

#57FFFC #57AEFF #575AFF

triadic

#57AEFF #FF57AE #AEFF57

tetradic

#57AEFF #FC57FF #FFA857 #5AFF57

square

#57AEFF #FC57FF #FFA857 #5AFF57

split-complementary

#57AEFF #FF575A #FFFC57

monochromatic

#0072DC #1A90FF #57AEFF #94CCFF #D1E9FF

Accessibility & contrast

On white

2.36

#57AEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#57AEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AEFF

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AEFF	#FFFFFF	#000000	##000000
##57AEFF	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AB2FF

Deuteranopia (green-blind)

#73A1FD

Tritanopia (blue-blind)

#00C1CB

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57aeff;
/* rgb */ color: rgb(87, 174, 255);
/* oklch */ color: oklch(73.2% 0.145 249.0);

Tailwind

colors: {
  custom: {
    50: '#96c5ff',
    500: '#57aeff',
    950: '#000000',
  },
}

SCSS

$custom: #57aeff;
$custom-light: #96c5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57aeff",
  "rgb": {
    "r": 87,
    "g": 174,
    "b": 255
  },
  "hsl": {
    "h": 208.929,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.7322,
    "c": 0.14498,
    "h": 249
  },
  "luminance": 0.39518
}

Semantic roles & 50–950 ramp

primary

#57AEFF

secondary

#F4D8BE

accent

#6F00E6

background

#FAFCFF

surface

#F3F8FF

border

#CDD1D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #57AEFF

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

Preview Lab → · Contrast checker → · Palette generator →