#57AFE9#57AFE9

#57AFE9 is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.4% C 0.120 H 240.1°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#57AFE9
RGB	rgb(87, 175, 233)
HSL	hsl(204, 77%, 63%)
HSV	hsv(204, 63%, 91%)
CMYK	cmyk(62.7%, 24.9%, 0%, 8.6%)
CIE-LAB	lab(68.44, -9.14, -36.92)
CIE-LCH	lch(68.44, 38.04, 256.10°)
OKLab	oklab(72.36% -0.0595 -0.1037)
OKLCH	oklch(72.36% 0.12 240.1)
XYZ	xyz(33.9629, 38.5660, 82.7291)
Luminance	0.3857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AFE9 #E99157

analogous

#57E9DA #57AFE9 #5766E9

triadic

#57AFE9 #E957AF #AFE957

tetradic

#57AFE9 #DA57E9 #E99157 #66E957

square

#57AFE9 #DA57E9 #E99157 #66E957

split-complementary

#57AFE9 #E95766 #E9DA57

monochromatic

#1772AF #2195E2 #57AFE9 #8DC9F0 #C3E3F7

Accessibility & contrast

On white

2.41

#57AFE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#57AFE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AFE9

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AFE9	#FFFFFF	#000000	##000000
##57AFE9	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95AFEC

Deuteranopia (green-blind)

#81A0E8

Tritanopia (blue-blind)

#00BDC3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #57afe9;
/* rgb */ color: rgb(87, 175, 233);
/* oklch */ color: oklch(72.4% 0.120 240.1);

Tailwind

colors: {
  custom: {
    50: '#93c6f0',
    500: '#57afe9',
    950: '#000000',
  },
}

SCSS

$custom: #57afe9;
$custom-light: #93c6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57afe9",
  "rgb": {
    "r": 87,
    "g": 175,
    "b": 233
  },
  "hsl": {
    "h": 203.836,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.7236,
    "c": 0.11962,
    "h": 240.1
  },
  "luminance": 0.38569
}

Semantic roles & 50–950 ramp

primary

#57AFE9

secondary

#E8C8B3

accent

#5E0CD9

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57AFE9

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

Preview Lab → · Contrast checker → · Palette generator →