#63DDFC#63DDFC

#63DDFC is a very light, moderate cyan. Relative luminance 0.614; OKLCH L 84.0% C 0.116 H 217.2°. Best body text is #000000 at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#63DDFC
RGB	rgb(99, 221, 252)
HSL	hsl(192, 96%, 69%)
HSV	hsv(192, 61%, 99%)
CMYK	cmyk(60.7%, 12.3%, 0%, 1.2%)
CIE-LAB	lab(82.59, -25.22, -25.31)
CIE-LCH	lch(82.59, 35.73, 225.11°)
OKLab	oklab(83.99% -0.0926 -0.0703)
OKLCH	oklch(83.99% 0.116 217.2)
XYZ	xyz(48.5656, 61.3888, 101.3664)
Luminance	0.6139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDFC #FC8263

analogous

#63FCCF #63DDFC #6391FC

triadic

#63DDFC #FC63DD #DDFC63

tetradic

#63DDFC #CF63FC #FC8263 #91FC63

square

#63DDFC #CF63FC #FC8263 #91FC63

split-complementary

#63DDFC #FC6391 #FCCF63

monochromatic

#04B4E0 #27D0FB #63DDFC #9FEAFD #DBF7FE

Accessibility & contrast

On white

1.58

#63DDFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.28

#63DDFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDFC

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDFC	#FFFFFF	#000000	##000000
##63DDFC	1.00	1.58	13.28	13.28
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.28	21.00	1.00	1.00
##000000	13.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D7FE

Deuteranopia (green-blind)

#B2C6FC

Tritanopia (blue-blind)

#00E8E7

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #63ddfc;
/* rgb */ color: rgb(99, 221, 252);
/* oklch */ color: oklch(84.0% 0.116 217.2);

Tailwind

colors: {
  custom: {
    50: '#9de7fd',
    500: '#63ddfc',
    950: '#000000',
  },
}

SCSS

$custom: #63ddfc;
$custom-light: #9de7fd;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddfc",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 252
  },
  "hsl": {
    "h": 192.157,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.83989,
    "c": 0.11629,
    "h": 217.2
  },
  "luminance": 0.61394
}

Semantic roles & 50–950 ramp

primary

#63DDFC

secondary

#D64F2D

accent

#2F00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DDFC

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

Preview Lab → · Contrast checker → · Palette generator →