#641C97#641C97

#641C97 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.0% C 0.185 H 306.0°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#641C97
RGB	rgb(100, 28, 151)
HSL	hsl(275, 69%, 35%)
HSV	hsv(275, 81%, 59%)
CMYK	cmyk(33.8%, 81.5%, 0%, 40.8%)
CIE-LAB	lab(28.84, 52.28, -52.54)
CIE-LCH	lch(28.84, 74.12, 314.86°)
OKLab	oklab(41.04% 0.1086 -0.1496)
OKLCH	oklch(41.04% 0.185 306)
XYZ	xyz(11.2555, 5.7743, 29.7938)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C97 #4F971C

analogous

#271C97 #641C97 #971C8C

triadic

#641C97 #97641C #1C9764

tetradic

#641C97 #97271C #4F971C #1C8C97

square

#641C97 #97271C #4F971C #1C8C97

split-complementary

#641C97 #8C971C #1C9727

monochromatic

#200930 #421263 #641C97 #8626CB #A34FDE

Accessibility & contrast

On white

9.75

#641C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#641C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C97

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C97	#FFFFFF	#000000	##FFFFFF
##641C97	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#5B3D5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #641c97;
/* rgb */ color: rgb(100, 28, 151);
/* oklch */ color: oklch(41.0% 0.185 306.0);

Tailwind

colors: {
  custom: {
    50: '#9662b6',
    500: '#641c97',
    950: '#000000',
  },
}

SCSS

$custom: #641c97;
$custom-light: #9662b6;
$custom-dark: #000000;

JSON

{
  "hex": "#641c97",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 151
  },
  "hsl": {
    "h": 275.122,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41037,
    "c": 0.1849,
    "h": 306
  },
  "luminance": 0.05774
}

Semantic roles & 50–950 ramp

primary

#641C97

secondary

#7EC14E

accent

#EC3C85

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641C97

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

Preview Lab → · Contrast checker → · Palette generator →