#641F78#641F78

#641F78 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.151 H 317.6°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#641F78
RGB	rgb(100, 31, 120)
HSL	hsl(287, 59%, 30%)
HSV	hsv(287, 74%, 47%)
CMYK	cmyk(16.7%, 74.2%, 0%, 52.9%)
CIE-LAB	lab(26.86, 44.27, -36.38)
CIE-LCH	lch(26.86, 57.30, 320.58°)
OKLab	oklab(38.9% 0.1118 -0.1022)
OKLCH	oklch(38.9% 0.151 317.6)
XYZ	xyz(9.1352, 5.0458, 18.2584)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F78 #33781F

analogous

#381F78 #641F78 #781F60

triadic

#641F78 #78641F #1F7864

tetradic

#641F78 #78381F #33781F #1F6078

square

#641F78 #78381F #33781F #1F6078

split-complementary

#641F78 #60781F #1F7838

monochromatic

#140618 #3B1247 #641F78 #8D2CA9 #AF43CE

Accessibility & contrast

On white

10.45

#641F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#641F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F78

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F78	#FFFFFF	#000000	##FFFFFF
##641F78	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#224276

Tritanopia (blue-blind)

#633149

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641f78;
/* rgb */ color: rgb(100, 31, 120);
/* oklch */ color: oklch(38.9% 0.151 317.6);

Tailwind

colors: {
  custom: {
    50: '#93629f',
    500: '#641f78',
    950: '#000000',
  },
}

SCSS

$custom: #641f78;
$custom-light: #93629f;
$custom-dark: #000000;

JSON

{
  "hex": "#641f78",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 120
  },
  "hsl": {
    "h": 286.517,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.389,
    "c": 0.15144,
    "h": 317.6
  },
  "luminance": 0.05045
}

Semantic roles & 50–950 ramp

primary

#641F78

secondary

#5EAB47

accent

#E24669

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0D050E

muted

#7E7A7E

Preview Lab

Preview with #641F78

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

Preview Lab → · Contrast checker → · Palette generator →