#641B8C#641B8C

#641B8C is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.0% C 0.175 H 309.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#641B8C
RGB	rgb(100, 27, 140)
HSL	hsl(279, 68%, 33%)
HSV	hsv(279, 81%, 55%)
CMYK	cmyk(28.6%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(27.81, 50.16, -47.42)
CIE-LCH	lch(27.81, 69.03, 316.61°)
OKLab	oklab(40.04% 0.1123 -0.1346)
OKLCH	oklch(40.04% 0.175 309.8)
XYZ	xyz(10.3801, 5.3869, 25.2988)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B8C #438C1B

analogous

#2B1B8C #641B8C #8C1B7B

triadic

#641B8C #8C641B #1B8C64

tetradic

#641B8C #8C2B1B #438C1B #1B7B8C

square

#641B8C #8C2B1B #438C1B #1B7B8C

split-complementary

#641B8C #7B8C1B #1B8C2B

monochromatic

#1B0725 #3F1159 #641B8C #8925BF #A646DB

Accessibility & contrast

On white

10.11

#641B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#641B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B8C

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B8C	#FFFFFF	#000000	##FFFFFF
##641B8C	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8F

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#5E3854

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641b8c;
/* rgb */ color: rgb(100, 27, 140);
/* oklch */ color: oklch(40.0% 0.175 309.8);

Tailwind

colors: {
  custom: {
    50: '#9561ae',
    500: '#641b8c',
    950: '#000000',
  },
}

SCSS

$custom: #641b8c;
$custom-light: #9561ae;
$custom-dark: #000000;

JSON

{
  "hex": "#641b8c",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 278.761,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40038,
    "c": 0.17526,
    "h": 309.8
  },
  "luminance": 0.05387
}

Semantic roles & 50–950 ramp

primary

#641B8C

secondary

#70BD46

accent

#EB3D7B

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641B8C

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

Preview Lab → · Contrast checker → · Palette generator →