#663296#663296

#663296 is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.7% C 0.158 H 304.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#663296
RGB	rgb(102, 50, 150)
HSL	hsl(271, 50%, 39%)
HSV	hsv(271, 67%, 59%)
CMYK	cmyk(32%, 66.7%, 0%, 41.2%)
CIE-LAB	lab(32.50, 42.65, -45.97)
CIE-LCH	lch(32.50, 62.71, 312.85°)
OKLab	oklab(43.67% 0.0896 -0.1304)
OKLCH	oklch(43.67% 0.158 304.5)
XYZ	xyz(12.1239, 7.3080, 29.6201)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663296 #629632

analogous

#343296 #663296 #963294

triadic

#663296 #966632 #329666

tetradic

#663296 #963432 #629632 #329496

square

#663296 #963432 #629632 #329496

split-complementary

#663296 #949632 #329634

monochromatic

#28133A #472368 #663296 #8544C1 #A372D0

Accessibility & contrast

On white

8.53

#663296 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#663296 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663296

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663296	#FFFFFF	#000000	##FFFFFF
##663296	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B99

Deuteranopia (green-blind)

#134C94

Tritanopia (blue-blind)

#5D485F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #663296;
/* rgb */ color: rgb(102, 50, 150);
/* oklch */ color: oklch(43.7% 0.158 304.5);

Tailwind

colors: {
  custom: {
    50: '#966db5',
    500: '#663296',
    950: '#000000',
  },
}

SCSS

$custom: #663296;
$custom-light: #966db5;
$custom-dark: #000000;

JSON

{
  "hex": "#663296",
  "rgb": {
    "r": 102,
    "g": 50,
    "b": 150
  },
  "hsl": {
    "h": 271.2,
    "s": 50,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43668,
    "c": 0.15824,
    "h": 304.5
  },
  "luminance": 0.07308
}

Semantic roles & 50–950 ramp

primary

#663296

secondary

#90B86C

accent

#DA4E91

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #663296

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

Preview Lab → · Contrast checker → · Palette generator →