#641F8A#641F8A

#641F8A is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.2% C 0.169 H 310.2°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#641F8A
RGB	rgb(100, 31, 138)
HSL	hsl(279, 63%, 33%)
HSV	hsv(279, 78%, 54%)
CMYK	cmyk(27.5%, 77.5%, 0%, 45.9%)
CIE-LAB	lab(28.18, 48.20, -45.58)
CIE-LCH	lch(28.18, 66.33, 316.60°)
OKLab	oklab(40.25% 0.1091 -0.1292)
OKLCH	oklch(40.25% 0.169 310.2)
XYZ	xyz(10.3321, 5.5245, 24.5619)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F8A #458A1F

analogous

#2F1F8A #641F8A #8A1F7A

triadic

#641F8A #8A641F #1F8A64

tetradic

#641F8A #8A2F1F #458A1F #1F7A8A

square

#641F8A #8A2F1F #458A1F #1F7A8A

split-complementary

#641F8A #7A8A1F #1F8A2F

monochromatic

#1C0926 #401458 #641F8A #882ABC #A64CD7

Accessibility & contrast

On white

9.98

#641F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#641F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F8A

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F8A	#FFFFFF	#000000	##FFFFFF
##641F8A	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#024388

Tritanopia (blue-blind)

#5F3953

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641f8a;
/* rgb */ color: rgb(100, 31, 138);
/* oklch */ color: oklch(40.2% 0.169 310.2);

Tailwind

colors: {
  custom: {
    50: '#9463ad',
    500: '#641f8a',
    950: '#000000',
  },
}

SCSS

$custom: #641f8a;
$custom-light: #9463ad;
$custom-dark: #000000;

JSON

{
  "hex": "#641f8a",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 138
  },
  "hsl": {
    "h": 278.692,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40249,
    "c": 0.16911,
    "h": 310.2
  },
  "luminance": 0.05524
}

Semantic roles & 50–950 ramp

primary

#641F8A

secondary

#72BA4B

accent

#E6417C

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #641F8A

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

Preview Lab → · Contrast checker → · Palette generator →