#63DCF9#63DCF9

#63DCF9 is a very light, moderate cyan. Relative luminance 0.607; OKLCH L 83.6% C 0.115 H 216.1°. Best body text is #000000 at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#63DCF9
RGB	rgb(99, 220, 249)
HSL	hsl(192, 93%, 68%)
HSV	hsv(192, 60%, 98%)
CMYK	cmyk(60.2%, 11.6%, 0%, 2.4%)
CIE-LAB	lab(82.20, -25.59, -24.31)
CIE-LCH	lch(82.20, 35.29, 223.53°)
OKLab	oklab(83.65% -0.0927 -0.0675)
OKLCH	oklch(83.65% 0.115 216.1)
XYZ	xyz(47.8307, 60.6737, 98.7947)
Luminance	0.6068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DCF9 #F98063

analogous

#63F9CB #63DCF9 #6391F9

triadic

#63DCF9 #F963DC #DCF963

tetradic

#63DCF9 #CB63F9 #F98063 #91F963

square

#63DCF9 #CB63F9 #F98063 #91F963

split-complementary

#63DCF9 #F96391 #F9CB63

monochromatic

#08B1D9 #28CFF7 #63DCF9 #9EE9FB #D9F6FE

Accessibility & contrast

On white

1.60

#63DCF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.14

#63DCF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DCF9

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DCF9	#FFFFFF	#000000	##000000
##63DCF9	1.00	1.60	13.14	13.14
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.14	21.00	1.00	1.00
##000000	13.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D6FB

Deuteranopia (green-blind)

#B2C5F9

Tritanopia (blue-blind)

#00E7E5

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #63dcf9;
/* rgb */ color: rgb(99, 220, 249);
/* oklch */ color: oklch(83.6% 0.115 216.1);

Tailwind

colors: {
  custom: {
    50: '#9de7fb',
    500: '#63dcf9',
    950: '#000000',
  },
}

SCSS

$custom: #63dcf9;
$custom-light: #9de7fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63dcf9",
  "rgb": {
    "r": 99,
    "g": 220,
    "b": 249
  },
  "hsl": {
    "h": 191.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.83647,
    "c": 0.11469,
    "h": 216.1
  },
  "luminance": 0.60679
}

Semantic roles & 50–950 ramp

primary

#63DCF9

secondary

#D24E2E

accent

#2C00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DCF9

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

Preview Lab → · Contrast checker → · Palette generator →