#57AEE4#57AEE4

#57AEE4 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.9% C 0.115 H 238.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#57AEE4
RGB	rgb(87, 174, 228)
HSL	hsl(203, 72%, 62%)
HSV	hsv(203, 62%, 89%)
CMYK	cmyk(61.8%, 23.7%, 0%, 10.6%)
CIE-LAB	lab(67.94, -10.18, -34.95)
CIE-LCH	lch(67.94, 36.40, 253.77°)
OKLab	oklab(71.9% -0.0601 -0.0981)
OKLCH	oklch(71.9% 0.115 238.5)
XYZ	xyz(33.0648, 37.8965, 78.9560)
Luminance	0.3790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AEE4 #E48D57

analogous

#57E4D4 #57AEE4 #5768E4

triadic

#57AEE4 #E457AE #AEE457

tetradic

#57AEE4 #D457E4 #E48D57 #68E457

square

#57AEE4 #D457E4 #E48D57 #68E457

split-complementary

#57AEE4 #E45768 #E4D457

monochromatic

#1B71A6 #2394DB #57AEE4 #8CC7EC #C0E1F5

Accessibility & contrast

On white

2.45

#57AEE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#57AEE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AEE4

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AEE4	#FFFFFF	#000000	##000000
##57AEE4	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95AEE7

Deuteranopia (green-blind)

#829FE3

Tritanopia (blue-blind)

#00BCC0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #57aee4;
/* rgb */ color: rgb(87, 174, 228);
/* oklch */ color: oklch(71.9% 0.115 238.5);

Tailwind

colors: {
  custom: {
    50: '#93c6ec',
    500: '#57aee4',
    950: '#000000',
  },
}

SCSS

$custom: #57aee4;
$custom-light: #93c6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57aee4",
  "rgb": {
    "r": 87,
    "g": 174,
    "b": 228
  },
  "hsl": {
    "h": 202.979,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.71902,
    "c": 0.11504,
    "h": 238.5
  },
  "luminance": 0.379
}

Semantic roles & 50–950 ramp

primary

#57AEE4

secondary

#E6C5B1

accent

#5C11D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57AEE4

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

Preview Lab → · Contrast checker → · Palette generator →