#57ACE4#57ACE4

#57ACE4 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.5% C 0.116 H 240.0°. Best body text is #000000 at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#57ACE4
RGB	rgb(87, 172, 228)
HSL	hsl(204, 72%, 62%)
HSV	hsv(204, 62%, 89%)
CMYK	cmyk(61.8%, 24.6%, 0%, 10.6%)
CIE-LAB	lab(67.37, -9.08, -35.84)
CIE-LCH	lch(67.37, 36.97, 255.78°)
OKLab	oklab(71.45% -0.0581 -0.1006)
OKLCH	oklch(71.45% 0.116 240)
XYZ	xyz(32.6813, 37.1295, 78.8281)
Luminance	0.3713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ACE4 #E48F57

analogous

#57E4D6 #57ACE4 #5766E4

triadic

#57ACE4 #E457AC #ACE457

tetradic

#57ACE4 #D657E4 #E48F57 #66E457

square

#57ACE4 #D657E4 #E48F57 #66E457

split-complementary

#57ACE4 #E45766 #E4D657

monochromatic

#1B6FA6 #2392DB #57ACE4 #8CC6EC #C0E0F5

Accessibility & contrast

On white

2.49

#57ACE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.43

#57ACE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ACE4

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ACE4	#FFFFFF	#000000	##000000
##57ACE4	1.00	2.49	8.43	8.43
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.43	21.00	1.00	1.00
##000000	8.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93ACE7

Deuteranopia (green-blind)

#7F9EE3

Tritanopia (blue-blind)

#00BABF

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #57ace4;
/* rgb */ color: rgb(87, 172, 228);
/* oklch */ color: oklch(71.5% 0.116 240.0);

Tailwind

colors: {
  custom: {
    50: '#93c4ec',
    500: '#57ace4',
    950: '#000000',
  },
}

SCSS

$custom: #57ace4;
$custom-light: #93c4ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57ace4",
  "rgb": {
    "r": 87,
    "g": 172,
    "b": 228
  },
  "hsl": {
    "h": 203.83,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.7145,
    "c": 0.11618,
    "h": 240
  },
  "luminance": 0.37133
}

Semantic roles & 50–950 ramp

primary

#57ACE4

secondary

#E6C6B1

accent

#5F11D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57ACE4

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

Preview Lab → · Contrast checker → · Palette generator →