#63DDF0#63DDF0

#63DDF0 is a very light, moderate teal. Relative luminance 0.607; OKLCH L 83.5% C 0.111 H 209.1°. Best body text is #000000 at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#63DDF0
RGB	rgb(99, 221, 240)
HSL	hsl(188, 82%, 66%)
HSV	hsv(188, 59%, 94%)
CMYK	cmyk(58.8%, 7.9%, 0%, 5.9%)
CIE-LAB	lab(82.19, -28.63, -19.55)
CIE-LCH	lch(82.19, 34.67, 214.33°)
OKLab	oklab(83.54% -0.0972 -0.0542)
OKLCH	oklch(83.54% 0.111 209.1)
XYZ	xyz(46.7237, 60.6521, 91.6658)
Luminance	0.6066 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DDF0 #F07663

analogous

#63F0BD #63DDF0 #6397F0

triadic

#63DDF0 #F063DD #DDF063

tetradic

#63DDF0 #BD63F0 #F07663 #97F063

square

#63DDF0 #BD63F0 #F07663 #97F063

split-complementary

#63DDF0 #F06397 #F0BD63

monochromatic

#13AEC6 #2BD1EB #63DDF0 #9BE9F5 #D3F5FB

Accessibility & contrast

On white

1.60

#63DDF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.13

#63DDF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DDF0

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DDF0	#FFFFFF	#000000	##000000
##63DDF0	1.00	1.60	13.13	13.13
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.13	21.00	1.00	1.00
##000000	13.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD6F1

Deuteranopia (green-blind)

#B6C6F0

Tritanopia (blue-blind)

#00E6E3

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #63ddf0;
/* rgb */ color: rgb(99, 221, 240);
/* oklch */ color: oklch(83.5% 0.111 209.1);

Tailwind

colors: {
  custom: {
    50: '#9ce8f5',
    500: '#63ddf0',
    950: '#000000',
  },
}

SCSS

$custom: #63ddf0;
$custom-light: #9ce8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63ddf0",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 240
  },
  "hsl": {
    "h": 188.085,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.83539,
    "c": 0.11128,
    "h": 209.1
  },
  "luminance": 0.60657
}

Semantic roles & 50–950 ramp

primary

#63DDF0

secondary

#C34734

accent

#2407DF

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #63DDF0

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

Preview Lab → · Contrast checker → · Palette generator →