#63DAF3#63DAF3

#63DAF3 is a very light, moderate cyan. Relative luminance 0.593; OKLCH L 83.0% C 0.112 H 213.6°. Best body text is #000000 at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#63DAF3
RGB	rgb(99, 218, 243)
HSL	hsl(190, 86%, 67%)
HSV	hsv(190, 59%, 95%)
CMYK	cmyk(59.3%, 10.3%, 0%, 4.7%)
CIE-LAB	lab(81.44, -26.32, -22.29)
CIE-LCH	lch(81.44, 34.49, 220.27°)
OKLab	oklab(82.96% -0.0929 -0.0618)
OKLCH	oklch(82.96% 0.112 213.6)
XYZ	xyz(46.3881, 59.2618, 93.7707)
Luminance	0.5927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DAF3 #F37C63

analogous

#63F3C4 #63DAF3 #6392F3

triadic

#63DAF3 #F363DA #DAF363

tetradic

#63DAF3 #C463F3 #F37C63 #92F363

square

#63DAF3 #C463F3 #F37C63 #92F363

split-complementary

#63DAF3 #F36392 #F3C463

monochromatic

#10ABCC #2ACDEF #63DAF3 #9CE7F7 #D5F5FC

Accessibility & contrast

On white

1.63

#63DAF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.85

#63DAF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DAF3

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DAF3	#FFFFFF	#000000	##000000
##63DAF3	1.00	1.63	12.85	12.85
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.85	21.00	1.00	1.00
##000000	12.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D3F4

Deuteranopia (green-blind)

#B2C4F3

Tritanopia (blue-blind)

#00E4E2

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #63daf3;
/* rgb */ color: rgb(99, 218, 243);
/* oklch */ color: oklch(83.0% 0.112 213.6);

Tailwind

colors: {
  custom: {
    50: '#9ce5f7',
    500: '#63daf3',
    950: '#000000',
  },
}

SCSS

$custom: #63daf3;
$custom-light: #9ce5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63daf3",
  "rgb": {
    "r": 99,
    "g": 218,
    "b": 243
  },
  "hsl": {
    "h": 190.417,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.82964,
    "c": 0.11164,
    "h": 213.6
  },
  "luminance": 0.59267
}

Semantic roles & 50–950 ramp

primary

#63DAF3

secondary

#C84C32

accent

#2A03E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #63DAF3

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

Preview Lab → · Contrast checker → · Palette generator →