#641B8A#641B8A

#641B8A is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.173 H 310.6°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#641B8A
RGB	rgb(100, 27, 138)
HSL	hsl(279, 67%, 32%)
HSV	hsv(279, 80%, 54%)
CMYK	cmyk(27.5%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(27.65, 49.72, -46.43)
CIE-LCH	lch(27.65, 68.03, 316.96°)
OKLab	oklab(39.88% 0.1127 -0.1317)
OKLCH	oklch(39.88% 0.173 310.6)
XYZ	xyz(10.2340, 5.3284, 24.5292)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B8A #418A1B

analogous

#2C1B8A #641B8A #8A1B79

triadic

#641B8A #8A641B #1B8A64

tetradic

#641B8A #8A2C1B #418A1B #1B798A

square

#641B8A #8A2C1B #418A1B #1B798A

split-complementary

#641B8A #798A1B #1B8A2C

monochromatic

#1A0724 #3F1157 #641B8A #8925BD #A745DB

Accessibility & contrast

On white

10.17

#641B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#641B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B8A

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B8A	#FFFFFF	#000000	##FFFFFF
##641B8A	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#004288

Tritanopia (blue-blind)

#5F3752

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #641b8a;
/* rgb */ color: rgb(100, 27, 138);
/* oklch */ color: oklch(39.9% 0.173 310.6);

Tailwind

colors: {
  custom: {
    50: '#9561ad',
    500: '#641b8a',
    950: '#000000',
  },
}

SCSS

$custom: #641b8a;
$custom-light: #9561ad;
$custom-dark: #000000;

JSON

{
  "hex": "#641b8a",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 279.459,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39877,
    "c": 0.17334,
    "h": 310.6
  },
  "luminance": 0.05328
}

Semantic roles & 50–950 ramp

primary

#641B8A

secondary

#6EBC45

accent

#EA3E79

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641B8A

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

Preview Lab → · Contrast checker → · Palette generator →