#57A3E5#57A3E5

#57A3E5 is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.5% C 0.123 H 246.9°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#57A3E5
RGB	rgb(87, 163, 229)
HSL	hsl(208, 73%, 62%)
HSV	hsv(208, 62%, 90%)
CMYK	cmyk(62%, 28.8%, 0%, 10.2%)
CIE-LAB	lab(64.86, -3.76, -40.30)
CIE-LCH	lch(64.86, 40.48, 264.67°)
OKLab	oklab(69.48% -0.0484 -0.1136)
OKLCH	oklch(69.48% 0.123 246.9)
XYZ	xyz(31.1653, 33.8748, 79.0096)
Luminance	0.3388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3E5 #E59957

analogous

#57E5E0 #57A3E5 #575CE5

triadic

#57A3E5 #E557A3 #A3E557

tetradic

#57A3E5 #E057E5 #E59957 #5CE557

square

#57A3E5 #E057E5 #E59957 #5CE557

split-complementary

#57A3E5 #E5575C #E5E057

monochromatic

#1A66A8 #2286DD #57A3E5 #8CC0ED #C1DDF5

Accessibility & contrast

On white

2.70

#57A3E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#57A3E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3E5

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3E5	#FFFFFF	#000000	##000000
##57A3E5	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A5E8

Deuteranopia (green-blind)

#7397E4

Tritanopia (blue-blind)

#00B3BA

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a3e5;
/* rgb */ color: rgb(87, 163, 229);
/* oklch */ color: oklch(69.5% 0.123 246.9);

Tailwind

colors: {
  custom: {
    50: '#92beed',
    500: '#57a3e5',
    950: '#000000',
  },
}

SCSS

$custom: #57a3e5;
$custom-light: #92beed;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3e5",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 229
  },
  "hsl": {
    "h": 207.887,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.69481,
    "c": 0.12349,
    "h": 246.9
  },
  "luminance": 0.33878
}

Semantic roles & 50–950 ramp

primary

#57A3E5

secondary

#E6CAB2

accent

#6C10D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A3E5

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

Preview Lab → · Contrast checker → · Palette generator →