#663DA0#663DA0

#663DA0 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.0% C 0.154 H 299.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#663DA0
RGB	rgb(102, 61, 160)
HSL	hsl(265, 45%, 43%)
HSV	hsv(265, 62%, 63%)
CMYK	cmyk(36.2%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(35.40, 39.27, -47.36)
CIE-LCH	lch(35.40, 61.52, 309.67°)
OKLab	oklab(45.99% 0.0756 -0.1345)
OKLCH	oklch(45.99% 0.154 299.3)
XYZ	xyz(13.4918, 8.7002, 34.2194)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DA0 #77A03D

analogous

#3D46A0 #663DA0 #973DA0

triadic

#663DA0 #A0663D #3DA066

tetradic

#663DA0 #A03D46 #77A03D #3DA097

square

#663DA0 #A03D46 #77A03D #3DA097

split-complementary

#663DA0 #A0973D #46A03D

monochromatic

#2E1B47 #4A2C74 #663DA0 #845AC0 #A586D1

Accessibility & contrast

On white

7.66

#663DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#663DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DA0

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DA0	#FFFFFF	#000000	##FFFFFF
##663DA0	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A3

Deuteranopia (green-blind)

#17529E

Tritanopia (blue-blind)

#595268

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663da0;
/* rgb */ color: rgb(102, 61, 160);
/* oklch */ color: oklch(46.0% 0.154 299.3);

Tailwind

colors: {
  custom: {
    50: '#9674bd',
    500: '#663da0',
    950: '#000000',
  },
}

SCSS

$custom: #663da0;
$custom-light: #9674bd;
$custom-dark: #000000;

JSON

{
  "hex": "#663da0",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 264.848,
    "s": 44.796,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45992,
    "c": 0.15429,
    "h": 299.3
  },
  "luminance": 0.087
}

Semantic roles & 50–950 ramp

primary

#663DA0

secondary

#A2BB7D

accent

#D4539F

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663DA0

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

Preview Lab → · Contrast checker → · Palette generator →