#641C8D#641C8D

#641C8D is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.2% C 0.175 H 309.4°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#641C8D
RGB	rgb(100, 28, 141)
HSL	hsl(278, 67%, 33%)
HSV	hsv(278, 80%, 55%)
CMYK	cmyk(29.1%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(28.02, 50.02, -47.71)
CIE-LCH	lch(28.02, 69.12, 316.36°)
OKLab	oklab(40.21% 0.1112 -0.1354)
OKLCH	oklch(40.21% 0.175 309.4)
XYZ	xyz(10.4775, 5.4631, 25.6967)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C8D #458D1C

analogous

#2B1C8D #641C8D #8D1C7D

triadic

#641C8D #8D641C #1C8D64

tetradic

#641C8D #8D2B1C #458D1C #1C7D8D

square

#641C8D #8D2B1C #458D1C #1C7D8D

split-complementary

#641C8D #7D8D1C #1C8D2B

monochromatic

#1C0827 #40125A #641C8D #8826C0 #A649DB

Accessibility & contrast

On white

10.04

#641C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#641C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C8D

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C8D	#FFFFFF	#000000	##FFFFFF
##641C8D	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#5E3854

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641c8d;
/* rgb */ color: rgb(100, 28, 141);
/* oklch */ color: oklch(40.2% 0.175 309.4);

Tailwind

colors: {
  custom: {
    50: '#9561af',
    500: '#641c8d',
    950: '#000000',
  },
}

SCSS

$custom: #641c8d;
$custom-light: #9561af;
$custom-dark: #000000;

JSON

{
  "hex": "#641c8d",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 278.23,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40207,
    "c": 0.17522,
    "h": 309.4
  },
  "luminance": 0.05463
}

Semantic roles & 50–950 ramp

primary

#641C8D

secondary

#72BD48

accent

#EA3E7C

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641C8D

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

Preview Lab → · Contrast checker → · Palette generator →