#63DEFF#63DEFF

#63DEFF is a very light, moderate cyan. Relative luminance 0.621; OKLCH L 84.3% C 0.118 H 218.3°. Best body text is #000000 at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#63DEFF
RGB	rgb(99, 222, 255)
HSL	hsl(193, 100%, 69%)
HSV	hsv(193, 61%, 100%)
CMYK	cmyk(61.2%, 12.9%, 0%, 0%)
CIE-LAB	lab(82.97, -24.84, -26.31)
CIE-LCH	lch(82.97, 36.18, 226.64°)
OKLab	oklab(84.33% -0.0925 -0.0732)
OKLCH	oklch(84.33% 0.118 218.3)
XYZ	xyz(49.3096, 62.1101, 103.9782)
Luminance	0.6211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DEFF #FF8463

analogous

#63FFD2 #63DEFF #6390FF

triadic

#63DEFF #FF63DE #DEFF63

tetradic

#63DEFF #D263FF #FF8463 #90FF63

square

#63DEFF #D263FF #FF8463 #90FF63

split-complementary

#63DEFF #FF6390 #FFD263

monochromatic

#00B7E8 #26D1FF #63DEFF #A0EBFF #DDF8FF

Accessibility & contrast

On white

1.56

#63DEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.42

#63DEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DEFF

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DEFF	#FFFFFF	#000000	##000000
##63DEFF	1.00	1.56	13.42	13.42
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.42	21.00	1.00	1.00
##000000	13.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D8FF

Deuteranopia (green-blind)

#B2C7FF

Tritanopia (blue-blind)

#00E9E8

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #63deff;
/* rgb */ color: rgb(99, 222, 255);
/* oklch */ color: oklch(84.3% 0.118 218.3);

Tailwind

colors: {
  custom: {
    50: '#9ee8ff',
    500: '#63deff',
    950: '#000000',
  },
}

SCSS

$custom: #63deff;
$custom-light: #9ee8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63deff",
  "rgb": {
    "r": 99,
    "g": 222,
    "b": 255
  },
  "hsl": {
    "h": 192.692,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.84331,
    "c": 0.11793,
    "h": 218.3
  },
  "luminance": 0.62115
}

Semantic roles & 50–950 ramp

primary

#63DEFF

secondary

#DA512C

accent

#3100E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101618

muted

#808486

Preview Lab

Preview with #63DEFF

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

Preview Lab → · Contrast checker → · Palette generator →