#57ACE8#57ACE8

#57ACE8 is a light, vivid cyan. Relative luminance 0.374; OKLCH L 71.6% C 0.120 H 241.9°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#57ACE8
RGB	rgb(87, 172, 232)
HSL	hsl(205, 76%, 63%)
HSV	hsv(205, 63%, 91%)
CMYK	cmyk(62.5%, 25.9%, 0%, 9%)
CIE-LAB	lab(67.54, -7.81, -37.77)
CIE-LCH	lch(67.54, 38.57, 258.31°)
OKLab	oklab(71.64% -0.0568 -0.1062)
OKLCH	oklch(71.64% 0.12 241.9)
XYZ	xyz(33.2430, 37.3542, 81.7864)
Luminance	0.3736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ACE8 #E89357

analogous

#57E8DC #57ACE8 #5763E8

triadic

#57ACE8 #E857AC #ACE857

tetradic

#57ACE8 #DC57E8 #E89357 #63E857

square

#57ACE8 #DC57E8 #E89357 #63E857

split-complementary

#57ACE8 #E85763 #E8DC57

monochromatic

#186FAD #2191E1 #57ACE8 #8DC7EF #C3E1F7

Accessibility & contrast

On white

2.48

#57ACE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#57ACE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ACE8

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ACE8	#FFFFFF	#000000	##000000
##57ACE8	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91ADEB

Deuteranopia (green-blind)

#7D9EE7

Tritanopia (blue-blind)

#00BBC1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #57ace8;
/* rgb */ color: rgb(87, 172, 232);
/* oklch */ color: oklch(71.6% 0.120 241.9);

Tailwind

colors: {
  custom: {
    50: '#93c4ef',
    500: '#57ace8',
    950: '#000000',
  },
}

SCSS

$custom: #57ace8;
$custom-light: #93c4ef;
$custom-dark: #000000;

JSON

{
  "hex": "#57ace8",
  "rgb": {
    "r": 87,
    "g": 172,
    "b": 232
  },
  "hsl": {
    "h": 204.828,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.71639,
    "c": 0.12043,
    "h": 241.9
  },
  "luminance": 0.37357
}

Semantic roles & 50–950 ramp

primary

#57ACE8

secondary

#E8C9B3

accent

#610DD8

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57ACE8

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

Preview Lab → · Contrast checker → · Palette generator →