#641B96#641B96

#641B96 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.185 H 306.4°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#641B96
RGB	rgb(100, 27, 150)
HSL	hsl(276, 69%, 35%)
HSV	hsv(276, 82%, 59%)
CMYK	cmyk(33.3%, 82%, 0%, 41.2%)
CIE-LAB	lab(28.63, 52.40, -52.26)
CIE-LCH	lch(28.63, 74.01, 315.08°)
OKLab	oklab(40.87% 0.1097 -0.1488)
OKLCH	oklch(40.87% 0.185 306.4)
XYZ	xyz(11.1513, 5.6953, 29.3601)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B96 #4D961B

analogous

#271B96 #641B96 #961B8B

triadic

#641B96 #96641B #1B9664

tetradic

#641B96 #96271B #4D961B #1B8B96

square

#641B96 #96271B #4D961B #1B8B96

split-complementary

#641B96 #8B961B #1B9627

monochromatic

#1F082E #411262 #641B96 #8724CA #A34DDF

Accessibility & contrast

On white

9.82

#641B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#641B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B96

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B96	#FFFFFF	#000000	##FFFFFF
##641B96	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004199

Deuteranopia (green-blind)

#004494

Tritanopia (blue-blind)

#5B3C59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641b96;
/* rgb */ color: rgb(100, 27, 150);
/* oklch */ color: oklch(40.9% 0.185 306.4);

Tailwind

colors: {
  custom: {
    50: '#9662b6',
    500: '#641b96',
    950: '#000000',
  },
}

SCSS

$custom: #641b96;
$custom-light: #9662b6;
$custom-dark: #000000;

JSON

{
  "hex": "#641b96",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 150
  },
  "hsl": {
    "h": 275.61,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40867,
    "c": 0.18486,
    "h": 306.4
  },
  "luminance": 0.05695
}

Semantic roles & 50–950 ramp

primary

#641B96

secondary

#7BC14C

accent

#EC3B83

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641B96

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

Preview Lab → · Contrast checker → · Palette generator →