#63DDFD#63DDFD

#63DDFD is a very light, moderate cyan. Relative luminance 0.615; OKLCH L 84.0% C 0.117 H 217.9°. Best body text is #000000 at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#63DDFD
RGB	rgb(99, 221, 253)
HSL	hsl(192, 97%, 69%)
HSV	hsv(192, 61%, 99%)
CMYK	cmyk(60.9%, 12.6%, 0%, 0.8%)
CIE-LAB	lab(82.62, -24.93, -25.79)
CIE-LCH	lch(82.62, 35.86, 225.97°)
OKLab	oklab(84.03% -0.0922 -0.0717)
OKLCH	oklch(84.03% 0.117 217.9)
XYZ	xyz(48.7245, 61.4524, 102.2031)
Luminance	0.6146 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDFD #FD8363

analogous

#63FDD0 #63DDFD #6390FD

triadic

#63DDFD #FD63DD #DDFD63

tetradic

#63DDFD #D063FD #FD8363 #90FD63

square

#63DDFD #D063FD #FD8363 #90FD63

split-complementary

#63DDFD #FD6390 #FDD063

monochromatic

#03B4E3 #27D0FC #63DDFD #9FEAFE #DCF7FF

Accessibility & contrast

On white

1.58

#63DDFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.29

#63DDFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDFD

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDFD	#FFFFFF	#000000	##000000
##63DDFD	1.00	1.58	13.29	13.29
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.29	21.00	1.00	1.00
##000000	13.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D7FF

Deuteranopia (green-blind)

#B2C6FD

Tritanopia (blue-blind)

#00E8E7

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #63ddfd;
/* rgb */ color: rgb(99, 221, 253);
/* oklch */ color: oklch(84.0% 0.117 217.9);

Tailwind

colors: {
  custom: {
    50: '#9de7fe',
    500: '#63ddfd',
    950: '#000000',
  },
}

SCSS

$custom: #63ddfd;
$custom-light: #9de7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddfd",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 253
  },
  "hsl": {
    "h": 192.468,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.84027,
    "c": 0.11681,
    "h": 217.9
  },
  "luminance": 0.61457
}

Semantic roles & 50–950 ramp

primary

#63DDFD

secondary

#D7502D

accent

#3000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DDFD

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

Preview Lab → · Contrast checker → · Palette generator →