#63D0EC#63D0EC

#63D0EC is a light, moderate cyan. Relative luminance 0.538; OKLCH L 80.4% C 0.107 H 217.1°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#63D0EC
RGB	rgb(99, 208, 236)
HSL	hsl(192, 78%, 66%)
HSV	hsv(192, 58%, 93%)
CMYK	cmyk(58.1%, 11.9%, 0%, 7.5%)
CIE-LAB	lab(78.35, -23.35, -23.24)
CIE-LCH	lch(78.35, 32.95, 224.86°)
OKLab	oklab(80.42% -0.0852 -0.0645)
OKLCH	oklch(80.42% 0.107 217.1)
XYZ	xyz(42.8357, 53.8163, 87.4708)
Luminance	0.5382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0EC #EC7F63

analogous

#63ECC4 #63D0EC #638BEC

triadic

#63D0EC #EC63D0 #D0EC63

tetradic

#63D0EC #C463EC #EC7F63 #8BEC63

square

#63D0EC #C463EC #EC7F63 #8BEC63

split-complementary

#63D0EC #EC638B #ECC463

monochromatic

#179CBE #2CC0E5 #63D0EC #9AE0F3 #D0F1F9

Accessibility & contrast

On white

1.79

#63D0EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#63D0EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0EC

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0EC	#FFFFFF	#000000	##000000
##63D0EC	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCAEE

Deuteranopia (green-blind)

#A9BBEC

Tritanopia (blue-blind)

#00DAD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63d0ec;
/* rgb */ color: rgb(99, 208, 236);
/* oklch */ color: oklch(80.4% 0.107 217.1);

Tailwind

colors: {
  custom: {
    50: '#9bdef2',
    500: '#63d0ec',
    950: '#000000',
  },
}

SCSS

$custom: #63d0ec;
$custom-light: #9bdef2;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0ec",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 236
  },
  "hsl": {
    "h": 192.263,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.80416,
    "c": 0.10687,
    "h": 217.1
  },
  "luminance": 0.53821
}

Semantic roles & 50–950 ramp

primary

#63D0EC

secondary

#BC5237

accent

#350BDB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D0EC

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

Preview Lab → · Contrast checker → · Palette generator →