#641CA1#641CA1

#641CA1 is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.9% C 0.195 H 302.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#641CA1
RGB	rgb(100, 28, 161)
HSL	hsl(272, 70%, 37%)
HSV	hsv(272, 83%, 63%)
CMYK	cmyk(37.9%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(29.70, 54.58, -57.24)
CIE-LCH	lch(29.70, 79.09, 313.64°)
OKLab	oklab(41.9% 0.1057 -0.1634)
OKLCH	oklch(41.9% 0.195 302.9)
XYZ	xyz(12.1023, 6.1130, 34.2536)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641CA1 #59A11C

analogous

#221CA1 #641CA1 #A11C9C

triadic

#641CA1 #A1641C #1CA164

tetradic

#641CA1 #A1221C #59A11C #1C9CA1

square

#641CA1 #A1221C #59A11C #1C9CA1

split-complementary

#641CA1 #9CA11C #1CA122

monochromatic

#230A39 #44136D #641CA1 #8425D5 #A156E2

Accessibility & contrast

On white

9.45

#641CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#641CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641CA1

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641CA1	#FFFFFF	#000000	##FFFFFF
##641CA1	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A5

Deuteranopia (green-blind)

#00469E

Tritanopia (blue-blind)

#574160

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #641ca1;
/* rgb */ color: rgb(100, 28, 161);
/* oklch */ color: oklch(41.9% 0.195 302.9);

Tailwind

colors: {
  custom: {
    50: '#9663be',
    500: '#641ca1',
    950: '#000000',
  },
}

SCSS

$custom: #641ca1;
$custom-light: #9663be;
$custom-dark: #000000;

JSON

{
  "hex": "#641ca1",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 272.481,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.419,
    "c": 0.19461,
    "h": 302.9
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#641CA1

secondary

#88C554

accent

#ED3B8D

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641CA1

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

Preview Lab → · Contrast checker → · Palette generator →