#641F99#641F99

#641F99 is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.5% C 0.184 H 305.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#641F99
RGB	rgb(100, 31, 153)
HSL	hsl(274, 66%, 36%)
HSV	hsv(274, 80%, 60%)
CMYK	cmyk(34.6%, 79.7%, 0%, 40%)
CIE-LAB	lab(29.39, 51.63, -52.87)
CIE-LCH	lch(29.39, 73.90, 314.32°)
OKLab	oklab(41.47% 0.1056 -0.1506)
OKLCH	oklch(41.47% 0.184 305)
XYZ	xyz(11.4940, 5.9893, 30.6813)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F99 #54991F

analogous

#271F99 #641F99 #991F91

triadic

#641F99 #99641F #1F9964

tetradic

#641F99 #99271F #54991F #1F9199

square

#641F99 #99271F #54991F #1F9199

split-complementary

#641F99 #91991F #1F9927

monochromatic

#210A33 #431566 #641F99 #8529CC #A256DD

Accessibility & contrast

On white

9.56

#641F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#641F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F99

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F99	#FFFFFF	#000000	##FFFFFF
##641F99	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#004597

Tritanopia (blue-blind)

#5A3F5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #641f99;
/* rgb */ color: rgb(100, 31, 153);
/* oklch */ color: oklch(41.5% 0.184 305.0);

Tailwind

colors: {
  custom: {
    50: '#9663b8',
    500: '#641f99',
    950: '#000000',
  },
}

SCSS

$custom: #641f99;
$custom-light: #9663b8;
$custom-dark: #000000;

JSON

{
  "hex": "#641f99",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 273.934,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41472,
    "c": 0.18398,
    "h": 305
  },
  "luminance": 0.05989
}

Semantic roles & 50–950 ramp

primary

#641F99

secondary

#83C054

accent

#E93F89

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641F99

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

Preview Lab → · Contrast checker → · Palette generator →