#57A9FF#57A9FF

#57A9FF is a light, vivid cyan. Relative luminance 0.376; OKLCH L 72.1% C 0.149 H 251.6°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#57A9FF
RGB	rgb(87, 169, 255)
HSL	hsl(211, 100%, 67%)
HSV	hsv(211, 66%, 100%)
CMYK	cmyk(65.9%, 33.7%, 0%, 0%)
CIE-LAB	lab(67.74, 1.36, -49.99)
CIE-LCH	lch(67.74, 50.01, 271.56°)
OKLab	oklab(72.13% -0.0472 -0.1417)
OKLCH	oklch(72.13% 0.149 251.6)
XYZ	xyz(36.1618, 37.6185, 99.9437)
Luminance	0.3762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A9FF #FFAD57

analogous

#57FDFF #57A9FF #5957FF

triadic

#57A9FF #FF57A9 #A9FF57

tetradic

#57A9FF #FF57FD #FFAD57 #57FF59

square

#57A9FF #FF57FD #FFAD57 #57FF59

split-complementary

#57A9FF #FF5957 #FDFF57

monochromatic

#006BDC #1A8AFF #57A9FF #94C8FF #D1E8FF

Accessibility & contrast

On white

2.46

#57A9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#57A9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9FF

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A9FF	#FFFFFF	#000000	##000000
##57A9FF	1.00	2.46	8.52	8.52
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83AEFF

Deuteranopia (green-blind)

#6C9EFD

Tritanopia (blue-blind)

#00BDC8

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57a9ff;
/* rgb */ color: rgb(87, 169, 255);
/* oklch */ color: oklch(72.1% 0.149 251.6);

Tailwind

colors: {
  custom: {
    50: '#96c2ff',
    500: '#57a9ff',
    950: '#000000',
  },
}

SCSS

$custom: #57a9ff;
$custom-light: #96c2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#57a9ff",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 255
  },
  "hsl": {
    "h": 210.714,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.72134,
    "c": 0.1494,
    "h": 251.6
  },
  "luminance": 0.37622
}

Semantic roles & 50–950 ramp

primary

#57A9FF

secondary

#F4DABE

accent

#7500E6

background

#FAFBFF

surface

#F3F7FF

border

#CDD0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #57A9FF

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

Preview Lab → · Contrast checker → · Palette generator →