#63B6F4#63B6F4

#63B6F4 is a light, vivid cyan. Relative luminance 0.426; OKLCH L 74.9% C 0.121 H 243.0°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#63B6F4
RGB	rgb(99, 182, 244)
HSL	hsl(206, 87%, 67%)
HSV	hsv(206, 59%, 96%)
CMYK	cmyk(59.4%, 25.4%, 0%, 4.3%)
CIE-LAB	lab(71.31, -7.35, -38.40)
CIE-LCH	lch(71.31, 39.10, 259.17°)
OKLab	oklab(74.91% -0.055 -0.1078)
OKLCH	oklch(74.91% 0.121 243)
XYZ	xyz(38.1966, 42.6366, 91.7872)
Luminance	0.4264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6F4 #F4A163

analogous

#63F4E9 #63B6F4 #636EF4

triadic

#63B6F4 #F463B6 #B6F463

tetradic

#63B6F4 #E963F4 #F4A163 #6EF463

square

#63B6F4 #E963F4 #F4A163 #6EF463

split-complementary

#63B6F4 #F4636E #F4E963

monochromatic

#0F7CCE #2A9BF0 #63B6F4 #9CD1F8 #D5ECFC

Accessibility & contrast

On white

2.20

#63B6F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#63B6F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6F4

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6F4	#FFFFFF	#000000	##000000
##63B6F4	1.00	2.20	9.53	9.53
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.53	21.00	1.00	1.00
##000000	9.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB7F7

Deuteranopia (green-blind)

#87A8F3

Tritanopia (blue-blind)

#00C5CB

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63b6f4;
/* rgb */ color: rgb(99, 182, 244);
/* oklch */ color: oklch(74.9% 0.121 243.0);

Tailwind

colors: {
  custom: {
    50: '#9bcbf8',
    500: '#63b6f4',
    950: '#000000',
  },
}

SCSS

$custom: #63b6f4;
$custom-light: #9bcbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6f4",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 244
  },
  "hsl": {
    "h": 205.655,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.74905,
    "c": 0.12108,
    "h": 243
  },
  "luminance": 0.4264
}

Semantic roles & 50–950 ramp

primary

#63B6F4

secondary

#F0D6C3

accent

#6202E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B6F4

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

Preview Lab → · Contrast checker → · Palette generator →