#663EA1#663EA1

#663EA1 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.2% C 0.154 H 298.8°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#663EA1
RGB	rgb(102, 62, 161)
HSL	hsl(264, 44%, 44%)
HSV	hsv(264, 61%, 63%)
CMYK	cmyk(36.6%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(35.68, 38.97, -47.51)
CIE-LCH	lch(35.68, 61.45, 309.36°)
OKLab	oklab(46.22% 0.0743 -0.1349)
OKLCH	oklch(46.22% 0.154 298.8)
XYZ	xyz(13.6335, 8.8431, 34.6999)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EA1 #79A13E

analogous

#3E47A1 #663EA1 #973EA1

triadic

#663EA1 #A1663E #3EA166

tetradic

#663EA1 #A13E47 #79A13E #3EA197

square

#663EA1 #A13E47 #79A13E #3EA197

split-complementary

#663EA1 #A1973E #47A13E

monochromatic

#2E1C49 #4A2D75 #663EA1 #845CC0 #A688D1

Accessibility & contrast

On white

7.59

#663EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#663EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EA1

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EA1	#FFFFFF	#000000	##FFFFFF
##663EA1	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#18539F

Tritanopia (blue-blind)

#595369

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663ea1;
/* rgb */ color: rgb(102, 62, 161);
/* oklch */ color: oklch(46.2% 0.154 298.8);

Tailwind

colors: {
  custom: {
    50: '#9675bd',
    500: '#663ea1',
    950: '#000000',
  },
}

SCSS

$custom: #663ea1;
$custom-light: #9675bd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ea1",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 264.242,
    "s": 44.395,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46218,
    "c": 0.15407,
    "h": 298.8
  },
  "luminance": 0.08843
}

Semantic roles & 50–950 ramp

primary

#663EA1

secondary

#A3BC7F

accent

#D454A0

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663EA1

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

Preview Lab → · Contrast checker → · Palette generator →