#641F8D#641F8D

#641F8D is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.172 H 309.1°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#641F8D
RGB	rgb(100, 31, 141)
HSL	hsl(278, 64%, 34%)
HSV	hsv(278, 78%, 55%)
CMYK	cmyk(29.1%, 78%, 0%, 44.7%)
CIE-LAB	lab(28.41, 48.87, -47.06)
CIE-LCH	lch(28.41, 67.85, 316.08°)
OKLab	oklab(40.49% 0.1085 -0.1336)
OKLCH	oklch(40.49% 0.172 309.1)
XYZ	xyz(10.5523, 5.6126, 25.7216)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F8D #488D1F

analogous

#2D1F8D #641F8D #8D1F7F

triadic

#641F8D #8D641F #1F8D64

tetradic

#641F8D #8D2D1F #488D1F #1F7F8D

square

#641F8D #8D2D1F #488D1F #1F7F8D

split-complementary

#641F8D #7F8D1F #1F8D2D

monochromatic

#1D0929 #40145B #641F8D #882ABF #A54ED8

Accessibility & contrast

On white

9.89

#641F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F8D

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F8D	#FFFFFF	#000000	##FFFFFF
##641F8D	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00448B

Tritanopia (blue-blind)

#5E3A55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641f8d;
/* rgb */ color: rgb(100, 31, 141);
/* oklch */ color: oklch(40.5% 0.172 309.1);

Tailwind

colors: {
  custom: {
    50: '#9563af',
    500: '#641f8d',
    950: '#000000',
  },
}

SCSS

$custom: #641f8d;
$custom-light: #9563af;
$custom-dark: #000000;

JSON

{
  "hex": "#641f8d",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 141
  },
  "hsl": {
    "h": 277.636,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40487,
    "c": 0.17208,
    "h": 309.1
  },
  "luminance": 0.05612
}

Semantic roles & 50–950 ramp

primary

#641F8D

secondary

#76BB4D

accent

#E7417F

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #641F8D

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

Preview Lab → · Contrast checker → · Palette generator →