#57AAE4#57AAE4

#57AAE4 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 71.0% C 0.117 H 241.5°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#57AAE4
RGB	rgb(87, 170, 228)
HSL	hsl(205, 72%, 62%)
HSV	hsv(205, 62%, 89%)
CMYK	cmyk(61.8%, 25.4%, 0%, 10.6%)
CIE-LAB	lab(66.80, -7.99, -36.72)
CIE-LCH	lch(66.80, 37.58, 257.73°)
OKLab	oklab(71% -0.056 -0.1032)
OKLCH	oklch(71% 0.117 241.5)
XYZ	xyz(32.3035, 36.3740, 78.7022)
Luminance	0.3638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AAE4 #E49157

analogous

#57E4D8 #57AAE4 #5764E4

triadic

#57AAE4 #E457AA #AAE457

tetradic

#57AAE4 #D857E4 #E49157 #64E457

square

#57AAE4 #D857E4 #E49157 #64E457

split-complementary

#57AAE4 #E45764 #E4D857

monochromatic

#1B6DA6 #238FDB #57AAE4 #8CC5EC #C0DFF5

Accessibility & contrast

On white

2.54

#57AAE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#57AAE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AAE4

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AAE4	#FFFFFF	#000000	##000000
##57AAE4	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90AAE7

Deuteranopia (green-blind)

#7D9CE3

Tritanopia (blue-blind)

#00B8BE

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #57aae4;
/* rgb */ color: rgb(87, 170, 228);
/* oklch */ color: oklch(71.0% 0.117 241.5);

Tailwind

colors: {
  custom: {
    50: '#93c3ec',
    500: '#57aae4',
    950: '#000000',
  },
}

SCSS

$custom: #57aae4;
$custom-light: #93c3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57aae4",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 228
  },
  "hsl": {
    "h": 204.681,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.71,
    "c": 0.11741,
    "h": 241.5
  },
  "luminance": 0.36377
}

Semantic roles & 50–950 ramp

primary

#57AAE4

secondary

#E6C7B1

accent

#6111D4

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57AAE4

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

Preview Lab → · Contrast checker → · Palette generator →