#57A5EA#57A5EA

#57A5EA is a light, vivid cyan. Relative luminance 0.349; OKLCH L 70.2% C 0.128 H 247.5°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#57A5EA
RGB	rgb(87, 165, 234)
HSL	hsl(208, 78%, 63%)
HSV	hsv(208, 63%, 92%)
CMYK	cmyk(62.8%, 29.5%, 0%, 8.2%)
CIE-LAB	lab(65.65, -3.27, -41.82)
CIE-LCH	lch(65.65, 41.95, 265.53°)
OKLab	oklab(70.17% -0.049 -0.118)
OKLCH	oklch(70.17% 0.128 247.5)
XYZ	xyz(32.2314, 34.8739, 82.8587)
Luminance	0.3488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A5EA #EA9C57

analogous

#57EAE5 #57A5EA #575BEA

triadic

#57A5EA #EA57A5 #A5EA57

tetradic

#57A5EA #E557EA #EA9C57 #5BEA57

square

#57A5EA #E557EA #EA9C57 #5BEA57

split-complementary

#57A5EA #EA575B #EAE557

monochromatic

#1668B1 #2188E3 #57A5EA #8DC2F1 #C4DFF8

Accessibility & contrast

On white

2.63

#57A5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#57A5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A5EA

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A5EA	#FFFFFF	#000000	##000000
##57A5EA	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A7ED

Deuteranopia (green-blind)

#7399E9

Tritanopia (blue-blind)

#00B5BD

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57a5ea;
/* rgb */ color: rgb(87, 165, 234);
/* oklch */ color: oklch(70.2% 0.128 247.5);

Tailwind

colors: {
  custom: {
    50: '#93bff1',
    500: '#57a5ea',
    950: '#000000',
  },
}

SCSS

$custom: #57a5ea;
$custom-light: #93bff1;
$custom-dark: #000000;

JSON

{
  "hex": "#57a5ea",
  "rgb": {
    "r": 87,
    "g": 165,
    "b": 234
  },
  "hsl": {
    "h": 208.163,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.70174,
    "c": 0.12776,
    "h": 247.5
  },
  "luminance": 0.34877
}

Semantic roles & 50–950 ramp

primary

#57A5EA

secondary

#E9CDB4

accent

#6C0BDA

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A5EA

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

Preview Lab → · Contrast checker → · Palette generator →