#63DDFF#63DDFF

#63DDFF is a very light, moderate cyan. Relative luminance 0.616; OKLCH L 84.1% C 0.118 H 219.1°. Best body text is #000000 at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#63DDFF
RGB	rgb(99, 221, 255)
HSL	hsl(193, 100%, 69%)
HSV	hsv(193, 61%, 100%)
CMYK	cmyk(61.2%, 13.3%, 0%, 0%)
CIE-LAB	lab(82.69, -24.35, -26.74)
CIE-LCH	lch(82.69, 36.16, 227.68°)
OKLab	oklab(84.1% -0.0915 -0.0744)
OKLCH	oklch(84.1% 0.118 219.1)
XYZ	xyz(49.0448, 61.5805, 103.8899)
Luminance	0.6159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDFF #FF8563

analogous

#63FFD3 #63DDFF #638FFF

triadic

#63DDFF #FF63DD #DDFF63

tetradic

#63DDFF #D363FF #FF8563 #8FFF63

square

#63DDFF #D363FF #FF8563 #8FFF63

split-complementary

#63DDFF #FF638F #FFD363

monochromatic

#00B5E8 #26D0FF #63DDFF #A0EAFF #DDF8FF

Accessibility & contrast

On white

1.58

#63DDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.32

#63DDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDFF

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDFF	#FFFFFF	#000000	##000000
##63DDFF	1.00	1.58	13.32	13.32
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.32	21.00	1.00	1.00
##000000	13.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D7FF

Deuteranopia (green-blind)

#B1C7FF

Tritanopia (blue-blind)

#00E8E8

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #63ddff;
/* rgb */ color: rgb(99, 221, 255);
/* oklch */ color: oklch(84.1% 0.118 219.1);

Tailwind

colors: {
  custom: {
    50: '#9ee7ff',
    500: '#63ddff',
    950: '#000000',
  },
}

SCSS

$custom: #63ddff;
$custom-light: #9ee7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddff",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 255
  },
  "hsl": {
    "h": 193.077,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.84105,
    "c": 0.1179,
    "h": 219.1
  },
  "luminance": 0.61586
}

Semantic roles & 50–950 ramp

primary

#63DDFF

secondary

#DA522C

accent

#3200E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101618

muted

#808486

Preview Lab

Preview with #63DDFF

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

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