#57CBE9#57CBE9

#57CBE9 is a light, moderate cyan. Relative luminance 0.506; OKLCH L 78.7% C 0.112 H 217.8°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#57CBE9
RGB	rgb(87, 203, 233)
HSL	hsl(192, 77%, 63%)
HSV	hsv(192, 63%, 91%)
CMYK	cmyk(62.7%, 12.9%, 0%, 8.6%)
CIE-LAB	lab(76.45, -23.82, -24.57)
CIE-LCH	lch(76.45, 34.22, 225.90°)
OKLab	oklab(78.75% -0.0883 -0.0684)
OKLCH	oklch(78.75% 0.112 217.8)
XYZ	xyz(39.9884, 50.6171, 84.7376)
Luminance	0.5062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57CBE9 #E97557

analogous

#57E9BE #57CBE9 #5782E9

triadic

#57CBE9 #E957CB #CBE957

tetradic

#57CBE9 #BE57E9 #E97557 #82E957

square

#57CBE9 #BE57E9 #E97557 #82E957

split-complementary

#57CBE9 #E95782 #E9BE57

monochromatic

#1790AF #21BAE2 #57CBE9 #8DDCF0 #C3ECF7

Accessibility & contrast

On white

1.89

#57CBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#57CBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CBE9

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57CBE9	#FFFFFF	#000000	##000000
##57CBE9	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C5EB

Deuteranopia (green-blind)

#A2B6E9

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #57cbe9;
/* rgb */ color: rgb(87, 203, 233);
/* oklch */ color: oklch(78.7% 0.112 217.8);

Tailwind

colors: {
  custom: {
    50: '#95dbf0',
    500: '#57cbe9',
    950: '#000000',
  },
}

SCSS

$custom: #57cbe9;
$custom-light: #95dbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#57cbe9",
  "rgb": {
    "r": 87,
    "g": 203,
    "b": 233
  },
  "hsl": {
    "h": 192.329,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.78747,
    "c": 0.11165,
    "h": 217.8
  },
  "luminance": 0.50621
}

Semantic roles & 50–950 ramp

primary

#57CBE9

secondary

#AF4E35

accent

#360CD9

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #57CBE9

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

Preview Lab → · Contrast checker → · Palette generator →