#641A91#641A91

#641A91 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.181 H 308.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#641A91
RGB	rgb(100, 26, 145)
HSL	hsl(277, 70%, 34%)
HSV	hsv(277, 82%, 57%)
CMYK	cmyk(31%, 82.1%, 0%, 43.1%)
CIE-LAB	lab(28.09, 51.63, -50.05)
CIE-LCH	lch(28.09, 71.91, 315.88°)
OKLab	oklab(40.36% 0.1118 -0.1423)
OKLCH	oklch(40.36% 0.181 308.2)
XYZ	xyz(10.7347, 5.4926, 27.2773)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A91 #47911A

analogous

#281A91 #641A91 #911A82

triadic

#641A91 #91641A #1A9164

tetradic

#641A91 #91281A #47911A #1A8291

square

#641A91 #91281A #47911A #1A8291

split-complementary

#641A91 #82911A #1A9128

monochromatic

#1C0729 #40115D #641A91 #8823C5 #A547DE

Accessibility & contrast

On white

10.01

#641A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#641A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A91

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A91	#FFFFFF	#000000	##FFFFFF
##641A91	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#5D3956

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641a91;
/* rgb */ color: rgb(100, 26, 145);
/* oklch */ color: oklch(40.4% 0.181 308.2);

Tailwind

colors: {
  custom: {
    50: '#9561b2',
    500: '#641a91',
    950: '#000000',
  },
}

SCSS

$custom: #641a91;
$custom-light: #9561b2;
$custom-dark: #000000;

JSON

{
  "hex": "#641a91",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 145
  },
  "hsl": {
    "h": 277.311,
    "s": 69.591,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40364,
    "c": 0.18099,
    "h": 308.2
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#641A91

secondary

#75C047

accent

#EC3B7E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641A91

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

Preview Lab → · Contrast checker → · Palette generator →