#641D8A#641D8A

#641D8A is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.171 H 310.4°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#641D8A
RGB	rgb(100, 29, 138)
HSL	hsl(279, 65%, 33%)
HSV	hsv(279, 79%, 54%)
CMYK	cmyk(27.5%, 79%, 0%, 45.9%)
CIE-LAB	lab(27.91, 48.98, -46.02)
CIE-LCH	lch(27.91, 67.20, 316.78°)
OKLab	oklab(40.06% 0.111 -0.1305)
OKLCH	oklch(40.06% 0.171 310.4)
XYZ	xyz(10.2814, 5.4233, 24.5450)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D8A #438A1D

analogous

#2E1D8A #641D8A #8A1D79

triadic

#641D8A #8A641D #1D8A64

tetradic

#641D8A #8A2E1D #438A1D #1D798A

square

#641D8A #8A2E1D #438A1D #1D798A

split-complementary

#641D8A #798A1D #1D8A2E

monochromatic

#1B0825 #3F1257 #641D8A #8928BD #A649D9

Accessibility & contrast

On white

10.07

#641D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#641D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D8A

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D8A	#FFFFFF	#000000	##FFFFFF
##641D8A	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#5F3853

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641d8a;
/* rgb */ color: rgb(100, 29, 138);
/* oklch */ color: oklch(40.1% 0.171 310.4);

Tailwind

colors: {
  custom: {
    50: '#9462ad',
    500: '#641d8a',
    950: '#000000',
  },
}

SCSS

$custom: #641d8a;
$custom-light: #9462ad;
$custom-dark: #000000;

JSON

{
  "hex": "#641d8a",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 138
  },
  "hsl": {
    "h": 279.083,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40058,
    "c": 0.17128,
    "h": 310.4
  },
  "luminance": 0.05423
}

Semantic roles & 50–950 ramp

primary

#641D8A

secondary

#70BB48

accent

#E8407A

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641D8A

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

Preview Lab → · Contrast checker → · Palette generator →