#57ADE4#57ADE4

#57ADE4 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.7% C 0.116 H 239.3°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#57ADE4
RGB	rgb(87, 173, 228)
HSL	hsl(203, 72%, 62%)
HSV	hsv(203, 62%, 89%)
CMYK	cmyk(61.8%, 24.1%, 0%, 10.6%)
CIE-LAB	lab(67.66, -9.63, -35.39)
CIE-LCH	lch(67.66, 36.68, 254.78°)
OKLab	oklab(71.68% -0.0591 -0.0993)
OKLCH	oklch(71.68% 0.116 239.3)
XYZ	xyz(32.8723, 37.5116, 78.8918)
Luminance	0.3751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADE4 #E48E57

analogous

#57E4D4 #57ADE4 #5767E4

triadic

#57ADE4 #E457AD #ADE457

tetradic

#57ADE4 #D457E4 #E48E57 #67E457

square

#57ADE4 #D457E4 #E48E57 #67E457

split-complementary

#57ADE4 #E45767 #E4D457

monochromatic

#1B70A6 #2393DB #57ADE4 #8CC7EC #C0E0F5

Accessibility & contrast

On white

2.47

#57ADE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#57ADE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADE4

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADE4	#FFFFFF	#000000	##000000
##57ADE4	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ADE7

Deuteranopia (green-blind)

#819FE3

Tritanopia (blue-blind)

#00BBC0

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57ade4;
/* rgb */ color: rgb(87, 173, 228);
/* oklch */ color: oklch(71.7% 0.116 239.3);

Tailwind

colors: {
  custom: {
    50: '#93c5ec',
    500: '#57ade4',
    950: '#000000',
  },
}

SCSS

$custom: #57ade4;
$custom-light: #93c5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57ade4",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 228
  },
  "hsl": {
    "h": 203.404,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.71676,
    "c": 0.1156,
    "h": 239.3
  },
  "luminance": 0.37515
}

Semantic roles & 50–950 ramp

primary

#57ADE4

secondary

#E6C6B1

accent

#5D11D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57ADE4

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

Preview Lab → · Contrast checker → · Palette generator →