#63DDF8#63DDF8

#63DDF8 is a very light, moderate cyan. Relative luminance 0.611; OKLCH L 83.8% C 0.114 H 214.6°. Best body text is #000000 at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#63DDF8
RGB	rgb(99, 221, 248)
HSL	hsl(191, 91%, 68%)
HSV	hsv(191, 60%, 97%)
CMYK	cmyk(60.1%, 10.9%, 0%, 2.7%)
CIE-LAB	lab(82.45, -26.36, -23.40)
CIE-LCH	lch(82.45, 35.25, 221.59°)
OKLab	oklab(83.84% -0.0941 -0.0649)
OKLCH	oklch(83.84% 0.114 214.6)
XYZ	xyz(47.9384, 61.1380, 98.0632)
Luminance	0.6114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDF8 #F87E63

analogous

#63F8C8 #63DDF8 #6393F8

triadic

#63DDF8 #F863DD #DDF863

tetradic

#63DDF8 #C863F8 #F87E63 #93F863

square

#63DDF8 #C863F8 #F87E63 #93F863

split-complementary

#63DDF8 #F86393 #F8C863

monochromatic

#0AB2D7 #28D0F5 #63DDF8 #9EEAFB #D8F7FD

Accessibility & contrast

On white

1.59

#63DDF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.23

#63DDF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDF8

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDF8	#FFFFFF	#000000	##000000
##63DDF8	1.00	1.59	13.23	13.23
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.23	21.00	1.00	1.00
##000000	13.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD6FA

Deuteranopia (green-blind)

#B4C6F8

Tritanopia (blue-blind)

#00E7E5

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #63ddf8;
/* rgb */ color: rgb(99, 221, 248);
/* oklch */ color: oklch(83.8% 0.114 214.6);

Tailwind

colors: {
  custom: {
    50: '#9de7fa',
    500: '#63ddf8',
    950: '#000000',
  },
}

SCSS

$custom: #63ddf8;
$custom-light: #9de7fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddf8",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 248
  },
  "hsl": {
    "h": 190.872,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.83836,
    "c": 0.11436,
    "h": 214.6
  },
  "luminance": 0.61143
}

Semantic roles & 50–950 ramp

primary

#63DDF8

secondary

#D14C2E

accent

#2A00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DDF8

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

Preview Lab → · Contrast checker → · Palette generator →