#63CCFF#63CCFF

#63CCFF is a light, vivid cyan. Relative luminance 0.531; OKLCH L 80.3% C 0.121 H 232.1°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#63CCFF
RGB	rgb(99, 204, 255)
HSL	hsl(200, 100%, 69%)
HSV	hsv(200, 61%, 100%)
CMYK	cmyk(61.2%, 20%, 0%, 0%)
CIE-LAB	lab(77.91, -15.70, -34.08)
CIE-LCH	lch(77.91, 37.53, 245.26°)
OKLab	oklab(80.28% -0.0742 -0.0953)
OKLCH	oklch(80.28% 0.121 232.1)
XYZ	xyz(44.7815, 53.0539, 102.4688)
Luminance	0.5306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CCFF #FF9663

analogous

#63FFE4 #63CCFF #637EFF

triadic

#63CCFF #FF63CC #CCFF63

tetradic

#63CCFF #E463FF #FF9663 #7EFF63

square

#63CCFF #E463FF #FF9663 #7EFF63

split-complementary

#63CCFF #FF637E #FFE463

monochromatic

#009CE8 #26B8FF #63CCFF #A0E0FF #DDF4FF

Accessibility & contrast

On white

1.81

#63CCFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#63CCFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCFF

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CCFF	#FFFFFF	#000000	##000000
##63CCFF	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3CAFF

Deuteranopia (green-blind)

#9DBAFE

Tritanopia (blue-blind)

#00DADD

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63ccff;
/* rgb */ color: rgb(99, 204, 255);
/* oklch */ color: oklch(80.3% 0.121 232.1);

Tailwind

colors: {
  custom: {
    50: '#9ddbff',
    500: '#63ccff',
    950: '#000000',
  },
}

SCSS

$custom: #63ccff;
$custom-light: #9ddbff;
$custom-dark: #000000;

JSON

{
  "hex": "#63ccff",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 255
  },
  "hsl": {
    "h": 199.615,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.80284,
    "c": 0.1208,
    "h": 232.1
  },
  "luminance": 0.53058
}

Semantic roles & 50–950 ramp

primary

#63CCFF

secondary

#DA652C

accent

#4B00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #63CCFF

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

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