#663FBD#663FBD

#663FBD is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.5% C 0.187 H 292.2°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#663FBD
RGB	rgb(102, 63, 189)
HSL	hsl(259, 50%, 49%)
HSV	hsv(259, 67%, 74%)
CMYK	cmyk(46%, 66.7%, 0%, 25.9%)
CIE-LAB	lab(37.94, 46.09, -60.48)
CIE-LCH	lch(37.94, 76.05, 307.31°)
OKLab	oklab(48.5% 0.0707 -0.1731)
OKLCH	oklch(48.5% 0.187 292.2)
XYZ	xyz(16.4398, 10.0534, 49.2085)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.75

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663FBD #96BD3F

analogous

#3F57BD #663FBD #A53FBD

triadic

#663FBD #BD663F #3FBD66

tetradic

#663FBD #BD3F57 #96BD3F #3FBDA5

square

#663FBD #BD3F57 #96BD3F #3FBDA5

split-complementary

#663FBD #BDA53F #57BD3F

monochromatic

#342061 #4D308F #663FBD #8A6BCE #AE99DD

Accessibility & contrast

On white

6.97

#663FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#663FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663FBD

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663FBD	#FFFFFF	#000000	##FFFFFF
##663FBD	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#4C5E79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663fbd;
/* rgb */ color: rgb(102, 63, 189);
/* oklch */ color: oklch(48.5% 0.187 292.2);

Tailwind

colors: {
  custom: {
    50: '#9977d2',
    500: '#663fbd',
    950: '#000000',
  },
}

SCSS

$custom: #663fbd;
$custom-light: #9977d2;
$custom-dark: #000000;

JSON

{
  "hex": "#663fbd",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 189
  },
  "hsl": {
    "h": 258.571,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.485,
    "c": 0.18697,
    "h": 292.2
  },
  "luminance": 0.10054
}

Semantic roles & 50–950 ramp

primary

#663FBD

secondary

#B7C98F

accent

#DA4EAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663FBD

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

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