#641F8C#641F8C

#641F8C is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.4% C 0.171 H 309.5°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#641F8C
RGB	rgb(100, 31, 140)
HSL	hsl(278, 64%, 34%)
HSV	hsv(278, 78%, 55%)
CMYK	cmyk(28.6%, 77.9%, 0%, 45.1%)
CIE-LAB	lab(28.34, 48.65, -46.57)
CIE-LCH	lch(28.34, 67.34, 316.25°)
OKLab	oklab(40.41% 0.1087 -0.1321)
OKLCH	oklch(40.41% 0.171 309.5)
XYZ	xyz(10.4782, 5.5830, 25.3315)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F8C #478C1F

analogous

#2D1F8C #641F8C #8C1F7D

triadic

#641F8C #8C641F #1F8C64

tetradic

#641F8C #8C2D1F #478C1F #1F7D8C

square

#641F8C #8C2D1F #478C1F #1F7D8C

split-complementary

#641F8C #7D8C1F #1F8C2D

monochromatic

#1C0928 #40145A #641F8C #882ABE #A54ED8

Accessibility & contrast

On white

9.92

#641F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F8C

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F8C	#FFFFFF	#000000	##FFFFFF
##641F8C	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408F

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#5E3955

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641f8c;
/* rgb */ color: rgb(100, 31, 140);
/* oklch */ color: oklch(40.4% 0.171 309.5);

Tailwind

colors: {
  custom: {
    50: '#9563ae',
    500: '#641f8c',
    950: '#000000',
  },
}

SCSS

$custom: #641f8c;
$custom-light: #9563ae;
$custom-dark: #000000;

JSON

{
  "hex": "#641f8c",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 140
  },
  "hsl": {
    "h": 277.982,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40407,
    "c": 0.17109,
    "h": 309.5
  },
  "luminance": 0.05583
}

Semantic roles & 50–950 ramp

primary

#641F8C

secondary

#75BB4C

accent

#E7417E

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #641F8C

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

Preview Lab → · Contrast checker → · Palette generator →