#63DDF7#63DDF7

#63DDF7 is a very light, moderate cyan. Relative luminance 0.611; OKLCH L 83.8% C 0.114 H 213.9°. Best body text is #000000 at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#63DDF7
RGB	rgb(99, 221, 247)
HSL	hsl(191, 90%, 68%)
HSV	hsv(191, 60%, 97%)
CMYK	cmyk(59.9%, 10.5%, 0%, 3.1%)
CIE-LAB	lab(82.42, -26.65, -22.92)
CIE-LCH	lch(82.42, 35.15, 220.69°)
OKLab	oklab(83.8% -0.0945 -0.0636)
OKLCH	oklch(83.8% 0.114 213.9)
XYZ	xyz(47.7837, 61.0761, 97.2483)
Luminance	0.6108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDF7 #F77D63

analogous

#63F7C7 #63DDF7 #6393F7

triadic

#63DDF7 #F763DD #DDF763

tetradic

#63DDF7 #C763F7 #F77D63 #93F763

square

#63DDF7 #C763F7 #F77D63 #93F763

split-complementary

#63DDF7 #F76393 #F7C763

monochromatic

#0BB1D5 #29D0F4 #63DDF7 #9DEAFA #D7F6FD

Accessibility & contrast

On white

1.59

#63DDF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.22

#63DDF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDF7

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDF7	#FFFFFF	#000000	##000000
##63DDF7	1.00	1.59	13.22	13.22
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.22	21.00	1.00	1.00
##000000	13.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD6F9

Deuteranopia (green-blind)

#B4C6F7

Tritanopia (blue-blind)

#00E7E5

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #63ddf7;
/* rgb */ color: rgb(99, 221, 247);
/* oklch */ color: oklch(83.8% 0.114 213.9);

Tailwind

colors: {
  custom: {
    50: '#9de7f9',
    500: '#63ddf7',
    950: '#000000',
  },
}

SCSS

$custom: #63ddf7;
$custom-light: #9de7f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddf7",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 247
  },
  "hsl": {
    "h": 190.541,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.83798,
    "c": 0.11391,
    "h": 213.9
  },
  "luminance": 0.61081
}

Semantic roles & 50–950 ramp

primary

#63DDF7

secondary

#CF4B2F

accent

#2800E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #63DDF7

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

Preview Lab → · Contrast checker → · Palette generator →