#641D8C#641D8C

#641D8C is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.2% C 0.173 H 309.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#641D8C
RGB	rgb(100, 29, 140)
HSL	hsl(278, 66%, 33%)
HSV	hsv(278, 79%, 55%)
CMYK	cmyk(28.6%, 79.3%, 0%, 45.1%)
CIE-LAB	lab(28.07, 49.42, -47.01)
CIE-LCH	lch(28.07, 68.21, 316.44°)
OKLab	oklab(40.22% 0.1105 -0.1334)
OKLCH	oklch(40.22% 0.173 309.6)
XYZ	xyz(10.4276, 5.4817, 25.3146)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D8C #458C1D

analogous

#2C1D8C #641D8C #8C1D7C

triadic

#641D8C #8C641D #1D8C64

tetradic

#641D8C #8C2C1D #458C1D #1D7C8C

square

#641D8C #8C2C1D #458C1D #1D7C8C

split-complementary

#641D8C #7C8C1D #1D8C2C

monochromatic

#1C0827 #401259 #641D8C #8828BF #A64AD9

Accessibility & contrast

On white

10.02

#641D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#641D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D8C

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D8C	#FFFFFF	#000000	##FFFFFF
##641D8C	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	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: #641d8c;
/* rgb */ color: rgb(100, 29, 140);
/* oklch */ color: oklch(40.2% 0.173 309.6);

Tailwind

colors: {
  custom: {
    50: '#9562ae',
    500: '#641d8c',
    950: '#000000',
  },
}

SCSS

$custom: #641d8c;
$custom-light: #9562ae;
$custom-dark: #000000;

JSON

{
  "hex": "#641d8c",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 140
  },
  "hsl": {
    "h": 278.378,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40217,
    "c": 0.17323,
    "h": 309.6
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#641D8C

secondary

#72BC49

accent

#E93F7C

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641D8C

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

Preview Lab → · Contrast checker → · Palette generator →