#663EA0#663EA0

#663EA0 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.1% C 0.153 H 299.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#663EA0
RGB	rgb(102, 62, 160)
HSL	hsl(264, 44%, 44%)
HSV	hsv(264, 61%, 63%)
CMYK	cmyk(36.2%, 61.2%, 0%, 37.3%)
CIE-LAB	lab(35.61, 38.71, -47.02)
CIE-LCH	lch(35.61, 60.90, 309.46°)
OKLab	oklab(46.15% 0.0744 -0.1335)
OKLCH	oklch(46.15% 0.153 299.1)
XYZ	xyz(13.5457, 8.8080, 34.2373)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EA0 #78A03E

analogous

#3E47A0 #663EA0 #973EA0

triadic

#663EA0 #A0663E #3EA066

tetradic

#663EA0 #A03E47 #78A03E #3EA097

square

#663EA0 #A03E47 #78A03E #3EA097

split-complementary

#663EA0 #A0973E #47A03E

monochromatic

#2E1C48 #4A2D74 #663EA0 #845CC0 #A588D1

Accessibility & contrast

On white

7.60

#663EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#663EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EA0

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EA0	#FFFFFF	#000000	##FFFFFF
##663EA0	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A3

Deuteranopia (green-blind)

#1A539E

Tritanopia (blue-blind)

#595369

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663ea0;
/* rgb */ color: rgb(102, 62, 160);
/* oklch */ color: oklch(46.1% 0.153 299.1);

Tailwind

colors: {
  custom: {
    50: '#9675bd',
    500: '#663ea0',
    950: '#000000',
  },
}

SCSS

$custom: #663ea0;
$custom-light: #9675bd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ea0",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 160
  },
  "hsl": {
    "h": 264.49,
    "s": 44.144,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46146,
    "c": 0.15283,
    "h": 299.1
  },
  "luminance": 0.08808
}

Semantic roles & 50–950 ramp

primary

#663EA0

secondary

#A2BB7F

accent

#D454A0

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663EA0

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

Preview Lab → · Contrast checker → · Palette generator →