#643486#643486

#643486 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.6% C 0.136 H 308.7°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#643486
RGB	rgb(100, 52, 134)
HSL	hsl(275, 44%, 36%)
HSV	hsv(275, 61%, 53%)
CMYK	cmyk(25.4%, 61.2%, 0%, 47.5%)
CIE-LAB	lab(31.55, 37.12, -37.67)
CIE-LCH	lch(31.55, 52.89, 314.58°)
OKLab	oklab(42.58% 0.0851 -0.1061)
OKLCH	oklch(42.58% 0.136 308.7)
XYZ	xyz(10.7857, 6.8867, 23.3107)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643486 #568634

analogous

#3B3486 #643486 #86347F

triadic

#643486 #866434 #348664

tetradic

#643486 #863B34 #568634 #347F86

square

#643486 #863B34 #568634 #347F86

split-complementary

#643486 #7F8634 #34863B

monochromatic

#22122E #43235A #643486 #8545B2 #A26EC7

Accessibility & contrast

On white

8.83

#643486 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#643486 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643486

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643486	#FFFFFF	#000000	##FFFFFF
##643486	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134889

Deuteranopia (green-blind)

#294B84

Tritanopia (blue-blind)

#5F4458

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643486;
/* rgb */ color: rgb(100, 52, 134);
/* oklch */ color: oklch(42.6% 0.136 308.7);

Tailwind

colors: {
  custom: {
    50: '#936eaa',
    500: '#643486',
    950: '#000000',
  },
}

SCSS

$custom: #643486;
$custom-light: #936eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#643486",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 134
  },
  "hsl": {
    "h": 275.122,
    "s": 44.086,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42576,
    "c": 0.13601,
    "h": 308.7
  },
  "luminance": 0.06887
}

Semantic roles & 50–950 ramp

primary

#643486

secondary

#85AF67

accent

#D45489

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643486

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

Preview Lab → · Contrast checker → · Palette generator →