#57CCE9#57CCE9

#57CCE9 is a light, moderate cyan. Relative luminance 0.511; OKLCH L 79.0% C 0.112 H 216.9°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#57CCE9
RGB	rgb(87, 204, 233)
HSL	hsl(192, 77%, 63%)
HSV	hsv(192, 63%, 91%)
CMYK	cmyk(62.7%, 12.4%, 0%, 8.6%)
CIE-LAB	lab(76.73, -24.32, -24.14)
CIE-LCH	lch(76.73, 34.26, 224.78°)
OKLab	oklab(78.98% -0.0893 -0.0671)
OKLCH	oklch(78.98% 0.112 216.9)
XYZ	xyz(40.2253, 51.0909, 84.8166)
Luminance	0.5110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57CCE9 #E97457

analogous

#57E9BD #57CCE9 #5783E9

triadic

#57CCE9 #E957CC #CCE957

tetradic

#57CCE9 #BD57E9 #E97457 #83E957

square

#57CCE9 #BD57E9 #E97457 #83E957

split-complementary

#57CCE9 #E95783 #E9BD57

monochromatic

#1791AF #21BCE2 #57CCE9 #8DDCF0 #C3EDF7

Accessibility & contrast

On white

1.87

#57CCE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#57CCE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CCE9

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57CCE9	#FFFFFF	#000000	##000000
##57CCE9	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C6EB

Deuteranopia (green-blind)

#A4B7E9

Tritanopia (blue-blind)

#00D6D5

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #57cce9;
/* rgb */ color: rgb(87, 204, 233);
/* oklch */ color: oklch(79.0% 0.112 216.9);

Tailwind

colors: {
  custom: {
    50: '#95dbf0',
    500: '#57cce9',
    950: '#000000',
  },
}

SCSS

$custom: #57cce9;
$custom-light: #95dbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#57cce9",
  "rgb": {
    "r": 87,
    "g": 204,
    "b": 233
  },
  "hsl": {
    "h": 191.918,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.78978,
    "c": 0.11171,
    "h": 216.9
  },
  "luminance": 0.51095
}

Semantic roles & 50–950 ramp

primary

#57CCE9

secondary

#AF4D35

accent

#350CD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #57CCE9

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

Preview Lab → · Contrast checker → · Palette generator →