#641C5D#641C5D

#641C5D is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.8% C 0.131 H 332.1°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#641C5D
RGB	rgb(100, 28, 93)
HSL	hsl(306, 56%, 25%)
HSV	hsv(306, 72%, 39%)
CMYK	cmyk(0%, 72%, 7%, 60.8%)
CIE-LAB	lab(24.74, 40.26, -22.31)
CIE-LCH	lch(24.74, 46.03, 331.01°)
OKLab	oklab(36.83% 0.1154 -0.0612)
OKLCH	oklch(36.83% 0.131 332.1)
XYZ	xyz(7.6466, 4.3307, 10.7870)
Luminance	0.0433 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C5D #1C6423

analogous

#471C64 #641C5D #641C39

triadic

#641C5D #5D641C #1C5D64

tetradic

#641C5D #64471C #1C6423 #1C3964

square

#641C5D #64471C #1C6423 #1C3964

split-complementary

#641C5D #39641C #1C6447

monochromatic

#180716 #340F31 #641C5D #942989 #C437B6

Accessibility & contrast

On white

11.25

#641C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#641C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C5D

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C5D	#FFFFFF	#000000	##FFFFFF
##641C5D	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18345F

Deuteranopia (green-blind)

#323E5B

Tritanopia (blue-blind)

#68233A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #641c5d;
/* rgb */ color: rgb(100, 28, 93);
/* oklch */ color: oklch(36.8% 0.131 332.1);

Tailwind

colors: {
  custom: {
    50: '#935f8b',
    500: '#641c5d',
    950: '#000000',
  },
}

SCSS

$custom: #641c5d;
$custom-light: #935f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#641c5d",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 305.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36829,
    "c": 0.13064,
    "h": 332.1
  },
  "luminance": 0.0433
}

Semantic roles & 50–950 ramp

primary

#641C5D

secondary

#43994B

accent

#E05748

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #641C5D

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

Preview Lab → · Contrast checker → · Palette generator →