#57ADE3#57ADE3

#57ADE3 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.6% C 0.115 H 238.8°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#57ADE3
RGB	rgb(87, 173, 227)
HSL	hsl(203, 71%, 62%)
HSV	hsv(203, 62%, 89%)
CMYK	cmyk(61.7%, 23.8%, 0%, 11%)
CIE-LAB	lab(67.62, -9.95, -34.91)
CIE-LCH	lch(67.62, 36.30, 254.10°)
OKLab	oklab(71.63% -0.0594 -0.0979)
OKLCH	oklch(71.63% 0.115 238.8)
XYZ	xyz(32.7339, 37.4562, 78.1628)
Luminance	0.3746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADE3 #E38D57

analogous

#57E3D3 #57ADE3 #5767E3

triadic

#57ADE3 #E357AD #ADE357

tetradic

#57ADE3 #D357E3 #E38D57 #67E357

square

#57ADE3 #D357E3 #E38D57 #67E357

split-complementary

#57ADE3 #E35767 #E3D357

monochromatic

#1B6FA4 #2493D9 #57ADE3 #8BC7EC #C0E0F4

Accessibility & contrast

On white

2.47

#57ADE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#57ADE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADE3

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADE3	#FFFFFF	#000000	##000000
##57ADE3	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ADE6

Deuteranopia (green-blind)

#819EE2

Tritanopia (blue-blind)

#00BBBF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57ade3;
/* rgb */ color: rgb(87, 173, 227);
/* oklch */ color: oklch(71.6% 0.115 238.8);

Tailwind

colors: {
  custom: {
    50: '#93c5ec',
    500: '#57ade3',
    950: '#000000',
  },
}

SCSS

$custom: #57ade3;
$custom-light: #93c5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57ade3",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 227
  },
  "hsl": {
    "h": 203.143,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.7163,
    "c": 0.11457,
    "h": 238.8
  },
  "luminance": 0.37459
}

Semantic roles & 50–950 ramp

primary

#57ADE3

secondary

#E5C5B1

accent

#5D12D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57ADE3

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

Preview Lab → · Contrast checker → · Palette generator →