#63D8F9#63D8F9

#63D8F9 is a very light, moderate cyan. Relative luminance 0.586; OKLCH L 82.7% C 0.114 H 219.2°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#63D8F9
RGB	rgb(99, 216, 249)
HSL	hsl(193, 93%, 68%)
HSV	hsv(193, 60%, 98%)
CMYK	cmyk(60.2%, 13.3%, 0%, 2.4%)
CIE-LAB	lab(81.07, -23.60, -26.03)
CIE-LCH	lch(81.07, 35.14, 227.80°)
OKLab	oklab(82.74% -0.0886 -0.0724)
OKLCH	oklch(82.74% 0.114 219.2)
XYZ	xyz(46.7935, 58.5992, 98.4489)
Luminance	0.5860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8F9 #F98463

analogous

#63F9CF #63D8F9 #638DF9

triadic

#63D8F9 #F963D8 #D8F963

tetradic

#63D8F9 #CF63F9 #F98463 #8DF963

square

#63D8F9 #CF63F9 #F98463 #8DF963

split-complementary

#63D8F9 #F9638D #F9CF63

monochromatic

#08ABD9 #28C9F7 #63D8F9 #9EE7FB #D9F5FE

Accessibility & contrast

On white

1.65

#63D8F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#63D8F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8F9

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8F9	#FFFFFF	#000000	##000000
##63D8F9	1.00	1.65	12.72	12.72
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.72	21.00	1.00	1.00
##000000	12.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3D3FB

Deuteranopia (green-blind)

#AEC2F9

Tritanopia (blue-blind)

#00E3E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d8f9;
/* rgb */ color: rgb(99, 216, 249);
/* oklch */ color: oklch(82.7% 0.114 219.2);

Tailwind

colors: {
  custom: {
    50: '#9de4fb',
    500: '#63d8f9',
    950: '#000000',
  },
}

SCSS

$custom: #63d8f9;
$custom-light: #9de4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8f9",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 249
  },
  "hsl": {
    "h": 193.2,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.82739,
    "c": 0.11442,
    "h": 219.2
  },
  "luminance": 0.58604
}

Semantic roles & 50–950 ramp

primary

#63D8F9

secondary

#D2522E

accent

#3200E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D8F9

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

Preview Lab → · Contrast checker → · Palette generator →