#641C8B#641C8B

#641C8B is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.0% C 0.173 H 310.1°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#641C8B
RGB	rgb(100, 28, 139)
HSL	hsl(279, 66%, 33%)
HSV	hsv(279, 80%, 55%)
CMYK	cmyk(28.1%, 79.9%, 0%, 45.5%)
CIE-LAB	lab(27.86, 49.58, -46.72)
CIE-LCH	lch(27.86, 68.12, 316.70°)
OKLab	oklab(40.05% 0.1116 -0.1325)
OKLCH	oklch(40.05% 0.173 310.1)
XYZ	xyz(10.3301, 5.4041, 24.9200)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C8B #438B1C

analogous

#2D1C8B #641C8B #8B1C7A

triadic

#641C8B #8B641C #1C8B64

tetradic

#641C8B #8B2D1C #438B1C #1C7A8B

square

#641C8B #8B2D1C #438B1C #1C7A8B

split-complementary

#641C8B #7A8B1C #1C8B2D

monochromatic

#1B0725 #3F1258 #641C8B #8926BE #A647DA

Accessibility & contrast

On white

10.09

#641C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#641C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C8B

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C8B	#FFFFFF	#000000	##FFFFFF
##641C8B	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#5E3853

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641c8b;
/* rgb */ color: rgb(100, 28, 139);
/* oklch */ color: oklch(40.0% 0.173 310.1);

Tailwind

colors: {
  custom: {
    50: '#9561ae',
    500: '#641c8b',
    950: '#000000',
  },
}

SCSS

$custom: #641c8b;
$custom-light: #9561ae;
$custom-dark: #000000;

JSON

{
  "hex": "#641c8b",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 139
  },
  "hsl": {
    "h": 278.919,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40046,
    "c": 0.17329,
    "h": 310.1
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#641C8B

secondary

#70BC47

accent

#E93E7A

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641C8B

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

Preview Lab → · Contrast checker → · Palette generator →