#57ABE4#57ABE4

#57ABE4 is a light, moderate cyan. Relative luminance 0.368; OKLCH L 71.2% C 0.117 H 240.8°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#57ABE4
RGB	rgb(87, 171, 228)
HSL	hsl(204, 72%, 62%)
HSV	hsv(204, 62%, 89%)
CMYK	cmyk(61.8%, 25%, 0%, 10.6%)
CIE-LAB	lab(67.09, -8.54, -36.28)
CIE-LCH	lch(67.09, 37.27, 256.76°)
OKLab	oklab(71.23% -0.057 -0.1019)
OKLCH	oklch(71.23% 0.117 240.8)
XYZ	xyz(32.4917, 36.7503, 78.7649)
Luminance	0.3675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ABE4 #E49057

analogous

#57E4D6 #57ABE4 #5765E4

triadic

#57ABE4 #E457AB #ABE457

tetradic

#57ABE4 #D657E4 #E49057 #65E457

square

#57ABE4 #D657E4 #E49057 #65E457

split-complementary

#57ABE4 #E45765 #E4D657

monochromatic

#1B6EA6 #2390DB #57ABE4 #8CC5EC #C0E0F5

Accessibility & contrast

On white

2.51

#57ABE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#57ABE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ABE4

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ABE4	#FFFFFF	#000000	##000000
##57ABE4	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91ABE7

Deuteranopia (green-blind)

#7E9DE3

Tritanopia (blue-blind)

#00B9BE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57abe4;
/* rgb */ color: rgb(87, 171, 228);
/* oklch */ color: oklch(71.2% 0.117 240.8);

Tailwind

colors: {
  custom: {
    50: '#93c3ec',
    500: '#57abe4',
    950: '#000000',
  },
}

SCSS

$custom: #57abe4;
$custom-light: #93c3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57abe4",
  "rgb": {
    "r": 87,
    "g": 171,
    "b": 228
  },
  "hsl": {
    "h": 204.255,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.71225,
    "c": 0.11678,
    "h": 240.8
  },
  "luminance": 0.36753
}

Semantic roles & 50–950 ramp

primary

#57ABE4

secondary

#E6C6B1

accent

#6011D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57ABE4

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

Preview Lab → · Contrast checker → · Palette generator →