#641699#641699

#641699 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.7% C 0.192 H 305.8°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#641699
RGB	rgb(100, 22, 153)
HSL	hsl(276, 75%, 34%)
HSV	hsv(276, 86%, 60%)
CMYK	cmyk(34.6%, 85.6%, 0%, 40%)
CIE-LAB	lab(28.34, 54.69, -54.58)
CIE-LCH	lch(28.34, 77.27, 315.06°)
OKLab	oklab(40.74% 0.1123 -0.1556)
OKLCH	oklch(40.74% 0.192 305.8)
XYZ	xyz(11.2909, 5.5831, 30.6136)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641699 #4B9916

analogous

#221699 #641699 #99168D

triadic

#641699 #996416 #169964

tetradic

#641699 #992216 #4B9916 #168D99

square

#641699 #992216 #4B9916 #168D99

split-complementary

#641699 #8D9916 #169922

monochromatic

#1E072E #410E63 #641699 #871ECF #A445E4

Accessibility & contrast

On white

9.92

#641699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641699

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641699	#FFFFFF	#000000	##FFFFFF
##641699	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#5A3C5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641699;
/* rgb */ color: rgb(100, 22, 153);
/* oklch */ color: oklch(40.7% 0.192 305.8);

Tailwind

colors: {
  custom: {
    50: '#9660b8',
    500: '#641699',
    950: '#000000',
  },
}

SCSS

$custom: #641699;
$custom-light: #9660b8;
$custom-dark: #000000;

JSON

{
  "hex": "#641699",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 153
  },
  "hsl": {
    "h": 275.725,
    "s": 74.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40742,
    "c": 0.1919,
    "h": 305.8
  },
  "luminance": 0.05583
}

Semantic roles & 50–950 ramp

primary

#641699

secondary

#79C546

accent

#F13682

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641699

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

Preview Lab → · Contrast checker → · Palette generator →