#63DDF6#63DDF6

#63DDF6 is a very light, moderate cyan. Relative luminance 0.610; OKLCH L 83.8% C 0.113 H 213.3°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#63DDF6
RGB	rgb(99, 221, 246)
HSL	hsl(190, 89%, 68%)
HSV	hsv(190, 60%, 96%)
CMYK	cmyk(59.8%, 10.2%, 0%, 3.5%)
CIE-LAB	lab(82.39, -26.93, -22.44)
CIE-LCH	lch(82.39, 35.06, 219.80°)
OKLab	oklab(83.76% -0.0949 -0.0622)
OKLCH	oklch(83.76% 0.113 213.3)
XYZ	xyz(47.6298, 61.0145, 96.4378)
Luminance	0.6102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDF6 #F67C63

analogous

#63F6C5 #63DDF6 #6393F6

triadic

#63DDF6 #F663DD #DDF663

tetradic

#63DDF6 #C563F6 #F67C63 #93F663

square

#63DDF6 #C563F6 #F67C63 #93F663

split-complementary

#63DDF6 #F66393 #F6C563

monochromatic

#0CB1D2 #29D0F3 #63DDF6 #9DEAF9 #D7F6FD

Accessibility & contrast

On white

1.59

#63DDF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.20

#63DDF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDF6

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDF6	#FFFFFF	#000000	##000000
##63DDF6	1.00	1.59	13.20	13.20
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.20	21.00	1.00	1.00
##000000	13.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD6F7

Deuteranopia (green-blind)

#B4C6F6

Tritanopia (blue-blind)

#00E7E5

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #63ddf6;
/* rgb */ color: rgb(99, 221, 246);
/* oklch */ color: oklch(83.8% 0.113 213.3);

Tailwind

colors: {
  custom: {
    50: '#9de7f9',
    500: '#63ddf6',
    950: '#000000',
  },
}

SCSS

$custom: #63ddf6;
$custom-light: #9de7f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddf6",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 246
  },
  "hsl": {
    "h": 190.204,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.83761,
    "c": 0.11348,
    "h": 213.3
  },
  "luminance": 0.61019
}

Semantic roles & 50–950 ramp

primary

#63DDF6

secondary

#CE4B30

accent

#2700E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #63DDF6

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

Preview Lab → · Contrast checker → · Palette generator →