#641797#641797

#641797 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.189 H 306.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#641797
RGB	rgb(100, 23, 151)
HSL	hsl(276, 74%, 34%)
HSV	hsv(276, 85%, 59%)
CMYK	cmyk(33.8%, 84.8%, 0%, 40.8%)
CIE-LAB	lab(28.27, 53.94, -53.47)
CIE-LCH	lch(28.27, 75.95, 315.25°)
OKLab	oklab(40.64% 0.1123 -0.1523)
OKLCH	oklch(40.64% 0.189 306.4)
XYZ	xyz(11.1466, 5.5566, 29.7575)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641797 #4A9717

analogous

#241797 #641797 #97178A

triadic

#641797 #976417 #179764

tetradic

#641797 #972417 #4A9717 #178A97

square

#641797 #972417 #4A9717 #178A97

split-complementary

#641797 #8A9717 #179724

monochromatic

#1E072D #410F62 #641797 #871FCC #A446E3

Accessibility & contrast

On white

9.95

#641797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#641797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641797

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641797	#FFFFFF	#000000	##FFFFFF
##641797	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409A

Deuteranopia (green-blind)

#004395

Tritanopia (blue-blind)

#5B3B59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641797;
/* rgb */ color: rgb(100, 23, 151);
/* oklch */ color: oklch(40.6% 0.189 306.4);

Tailwind

colors: {
  custom: {
    50: '#9660b7',
    500: '#641797',
    950: '#000000',
  },
}

SCSS

$custom: #641797;
$custom-light: #9660b7;
$custom-dark: #000000;

JSON

{
  "hex": "#641797",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 151
  },
  "hsl": {
    "h": 276.094,
    "s": 73.563,
    "l": 34.118
  },
  "oklch": {
    "l": 0.4064,
    "c": 0.18925,
    "h": 306.4
  },
  "luminance": 0.05556
}

Semantic roles & 50–950 ramp

primary

#641797

secondary

#78C446

accent

#F03881

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641797

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

Preview Lab → · Contrast checker → · Palette generator →