#641D8F#641D8F

#641D8F is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.176 H 308.6°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#641D8F
RGB	rgb(100, 29, 143)
HSL	hsl(277, 66%, 34%)
HSV	hsv(277, 80%, 56%)
CMYK	cmyk(30.1%, 79.7%, 0%, 43.9%)
CIE-LAB	lab(28.30, 50.10, -48.48)
CIE-LCH	lch(28.30, 69.71, 315.94°)
OKLab	oklab(40.46% 0.1098 -0.1377)
OKLCH	oklch(40.46% 0.176 308.6)
XYZ	xyz(10.6518, 5.5714, 26.4955)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D8F #488F1D

analogous

#2B1D8F #641D8F #8F1D81

triadic

#641D8F #8F641D #1D8F64

tetradic

#641D8F #8F2B1D #488F1D #1D818F

square

#641D8F #8F2B1D #488F1D #1D818F

split-complementary

#641D8F #818F1D #1D8F2B

monochromatic

#1D0829 #40135C #641D8F #8827C2 #A54CDB

Accessibility & contrast

On white

9.93

#641D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#641D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D8F

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D8F	#FFFFFF	#000000	##FFFFFF
##641D8F	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#5D3A56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641d8f;
/* rgb */ color: rgb(100, 29, 143);
/* oklch */ color: oklch(40.5% 0.176 308.6);

Tailwind

colors: {
  custom: {
    50: '#9562b1',
    500: '#641d8f',
    950: '#000000',
  },
}

SCSS

$custom: #641d8f;
$custom-light: #9562b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641d8f",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 143
  },
  "hsl": {
    "h": 277.368,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.4046,
    "c": 0.17615,
    "h": 308.6
  },
  "luminance": 0.05571
}

Semantic roles & 50–950 ramp

primary

#641D8F

secondary

#76BD4B

accent

#E93F7F

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641D8F

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

Preview Lab → · Contrast checker → · Palette generator →