#63DAF4#63DAF4

#63DAF4 is a very light, moderate cyan. Relative luminance 0.593; OKLCH L 83.0% C 0.112 H 214.3°. Best body text is #000000 at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#63DAF4
RGB	rgb(99, 218, 244)
HSL	hsl(191, 87%, 67%)
HSV	hsv(191, 59%, 96%)
CMYK	cmyk(59.4%, 10.7%, 0%, 4.3%)
CIE-LAB	lab(81.47, -26.03, -22.77)
CIE-LCH	lch(81.47, 34.59, 221.18°)
OKLab	oklab(83% -0.0926 -0.0632)
OKLCH	oklch(83% 0.112 214.3)
XYZ	xyz(46.5395, 59.3224, 94.5681)
Luminance	0.5933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DAF4 #F47D63

analogous

#63F4C6 #63DAF4 #6391F4

triadic

#63DAF4 #F463DA #DAF463

tetradic

#63DAF4 #C663F4 #F47D63 #91F463

square

#63DAF4 #C663F4 #F47D63 #91F463

split-complementary

#63DAF4 #F46391 #F4C663

monochromatic

#0FACCE #2ACCF0 #63DAF4 #9CE8F8 #D5F5FC

Accessibility & contrast

On white

1.63

#63DAF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.87

#63DAF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DAF4

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DAF4	#FFFFFF	#000000	##000000
##63DAF4	1.00	1.63	12.87	12.87
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.87	21.00	1.00	1.00
##000000	12.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D4F6

Deuteranopia (green-blind)

#B2C4F4

Tritanopia (blue-blind)

#00E4E2

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #63daf4;
/* rgb */ color: rgb(99, 218, 244);
/* oklch */ color: oklch(83.0% 0.112 214.3);

Tailwind

colors: {
  custom: {
    50: '#9ce5f7',
    500: '#63daf4',
    950: '#000000',
  },
}

SCSS

$custom: #63daf4;
$custom-light: #9ce5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63daf4",
  "rgb": {
    "r": 99,
    "g": 218,
    "b": 244
  },
  "hsl": {
    "h": 190.759,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.83002,
    "c": 0.11207,
    "h": 214.3
  },
  "luminance": 0.59327
}

Semantic roles & 50–950 ramp

primary

#63DAF4

secondary

#CA4D31

accent

#2B02E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #63DAF4

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

Preview Lab → · Contrast checker → · Palette generator →