#663EBD#663EBD

#663EBD is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.4% C 0.188 H 292.4°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#663EBD
RGB	rgb(102, 62, 189)
HSL	hsl(259, 51%, 49%)
HSV	hsv(259, 67%, 74%)
CMYK	cmyk(46%, 67.2%, 0%, 25.9%)
CIE-LAB	lab(37.74, 46.63, -60.81)
CIE-LCH	lch(37.74, 76.63, 307.48°)
OKLab	oklab(48.36% 0.0717 -0.174)
OKLCH	oklch(48.36% 0.188 292.4)
XYZ	xyz(16.3849, 9.9436, 49.1903)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EBD #95BD3E

analogous

#3E55BD #663EBD #A63EBD

triadic

#663EBD #BD663E #3EBD66

tetradic

#663EBD #BD3E55 #95BD3E #3EBDA6

square

#663EBD #BD3E55 #95BD3E #3EBDA6

split-complementary

#663EBD #BDA63E #55BD3E

monochromatic

#342061 #4D2F8F #663EBD #8A6ACE #AE98DD

Accessibility & contrast

On white

7.03

#663EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#663EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EBD

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EBD	#FFFFFF	#000000	##FFFFFF
##663EBD	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#4C5D78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663ebd;
/* rgb */ color: rgb(102, 62, 189);
/* oklch */ color: oklch(48.4% 0.188 292.4);

Tailwind

colors: {
  custom: {
    50: '#9976d2',
    500: '#663ebd',
    950: '#000000',
  },
}

SCSS

$custom: #663ebd;
$custom-light: #9976d2;
$custom-dark: #000000;

JSON

{
  "hex": "#663ebd",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 189
  },
  "hsl": {
    "h": 258.898,
    "s": 50.598,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48359,
    "c": 0.18823,
    "h": 292.4
  },
  "luminance": 0.09944
}

Semantic roles & 50–950 ramp

primary

#663EBD

secondary

#B6C98E

accent

#DA4EAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663EBD

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

Preview Lab → · Contrast checker → · Palette generator →