#63D8F4#63D8F4

#63D8F4 is a very light, moderate cyan. Relative luminance 0.583; OKLCH L 82.5% C 0.112 H 215.9°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#63D8F4
RGB	rgb(99, 216, 244)
HSL	hsl(192, 87%, 67%)
HSV	hsv(192, 59%, 96%)
CMYK	cmyk(59.4%, 11.5%, 0%, 4.3%)
CIE-LAB	lab(80.90, -25.04, -23.63)
CIE-LCH	lch(80.90, 34.43, 223.34°)
OKLab	oklab(82.55% -0.0905 -0.0656)
OKLCH	oklch(82.55% 0.112 215.9)
XYZ	xyz(46.0240, 58.2914, 94.3963)
Luminance	0.5830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8F4 #F47F63

analogous

#63F4C7 #63D8F4 #6390F4

triadic

#63D8F4 #F463D8 #D8F463

tetradic

#63D8F4 #C763F4 #F47F63 #90F463

square

#63D8F4 #C763F4 #F47F63 #90F463

split-complementary

#63D8F4 #F46390 #F4C763

monochromatic

#0FA9CE #2ACAF0 #63D8F4 #9CE6F8 #D5F5FC

Accessibility & contrast

On white

1.66

#63D8F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#63D8F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8F4

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8F4	#FFFFFF	#000000	##000000
##63D8F4	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D2F6

Deuteranopia (green-blind)

#AFC2F4

Tritanopia (blue-blind)

#00E2E1

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d8f4;
/* rgb */ color: rgb(99, 216, 244);
/* oklch */ color: oklch(82.5% 0.112 215.9);

Tailwind

colors: {
  custom: {
    50: '#9ce4f7',
    500: '#63d8f4',
    950: '#000000',
  },
}

SCSS

$custom: #63d8f4;
$custom-light: #9ce4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8f4",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 244
  },
  "hsl": {
    "h": 191.586,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.82546,
    "c": 0.11179,
    "h": 215.9
  },
  "luminance": 0.58296
}

Semantic roles & 50–950 ramp

primary

#63D8F4

secondary

#CA4F31

accent

#2E02E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D8F4

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

Preview Lab → · Contrast checker → · Palette generator →