#63CDFF#63CDFF

#63CDFF is a light, vivid cyan. Relative luminance 0.535; OKLCH L 80.5% C 0.120 H 231.4°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#63CDFF
RGB	rgb(99, 205, 255)
HSL	hsl(199, 100%, 69%)
HSV	hsv(199, 61%, 100%)
CMYK	cmyk(61.2%, 19.6%, 0%, 0%)
CIE-LAB	lab(78.19, -16.22, -33.65)
CIE-LCH	lch(78.19, 37.36, 244.26°)
OKLab	oklab(80.51% -0.0752 -0.0941)
OKLCH	oklch(80.51% 0.12 231.4)
XYZ	xyz(45.0199, 53.5308, 102.5483)
Luminance	0.5353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CDFF #FF9563

analogous

#63FFE3 #63CDFF #637FFF

triadic

#63CDFF #FF63CD #CDFF63

tetradic

#63CDFF #E363FF #FF9563 #7FFF63

square

#63CDFF #E363FF #FF9563 #7FFF63

split-complementary

#63CDFF #FF637F #FFE363

monochromatic

#009DE8 #26B9FF #63CDFF #A0E1FF #DDF4FF

Accessibility & contrast

On white

1.79

#63CDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#63CDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CDFF

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CDFF	#FFFFFF	#000000	##000000
##63CDFF	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4CAFF

Deuteranopia (green-blind)

#9EBAFE

Tritanopia (blue-blind)

#00DBDD

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63cdff;
/* rgb */ color: rgb(99, 205, 255);
/* oklch */ color: oklch(80.5% 0.120 231.4);

Tailwind

colors: {
  custom: {
    50: '#9ddcff',
    500: '#63cdff',
    950: '#000000',
  },
}

SCSS

$custom: #63cdff;
$custom-light: #9ddcff;
$custom-dark: #000000;

JSON

{
  "hex": "#63cdff",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 255
  },
  "hsl": {
    "h": 199.231,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.80508,
    "c": 0.12045,
    "h": 231.4
  },
  "luminance": 0.53535
}

Semantic roles & 50–950 ramp

primary

#63CDFF

secondary

#DA642C

accent

#4A00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #63CDFF

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

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