#641B97#641B97

#641B97 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 41.0% C 0.186 H 306.1°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#641B97
RGB	rgb(100, 27, 151)
HSL	hsl(275, 70%, 35%)
HSV	hsv(275, 82%, 59%)
CMYK	cmyk(33.8%, 82.1%, 0%, 40.8%)
CIE-LAB	lab(28.71, 52.63, -52.74)
CIE-LCH	lch(28.71, 74.50, 314.94°)
OKLab	oklab(40.95% 0.1094 -0.1502)
OKLCH	oklch(40.95% 0.186 306.1)
XYZ	xyz(11.2321, 5.7277, 29.7860)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B97 #4E971B

analogous

#261B97 #641B97 #971B8C

triadic

#641B97 #97641B #1B9764

tetradic

#641B97 #97261B #4E971B #1B8C97

square

#641B97 #97261B #4E971B #1B8C97

split-complementary

#641B97 #8C971B #1B9726

monochromatic

#1F082F #421263 #641B97 #8624CB #A34DDF

Accessibility & contrast

On white

9.79

#641B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#641B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B97

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B97	#FFFFFF	#000000	##FFFFFF
##641B97	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#5B3C5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #641b97;
/* rgb */ color: rgb(100, 27, 151);
/* oklch */ color: oklch(41.0% 0.186 306.1);

Tailwind

colors: {
  custom: {
    50: '#9662b6',
    500: '#641b97',
    950: '#000000',
  },
}

SCSS

$custom: #641b97;
$custom-light: #9662b6;
$custom-dark: #000000;

JSON

{
  "hex": "#641b97",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 151
  },
  "hsl": {
    "h": 275.323,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40952,
    "c": 0.18582,
    "h": 306.1
  },
  "luminance": 0.05728
}

Semantic roles & 50–950 ramp

primary

#641B97

secondary

#7DC14C

accent

#EC3B84

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641B97

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

Preview Lab → · Contrast checker → · Palette generator →