#641B6C#641B6C

#641B6C is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.7% C 0.145 H 323.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#641B6C
RGB	rgb(100, 27, 108)
HSL	hsl(294, 60%, 26%)
HSV	hsv(294, 75%, 42%)
CMYK	cmyk(7.4%, 75%, 0%, 57.6%)
CIE-LAB	lab(25.49, 43.46, -30.89)
CIE-LCH	lch(25.49, 53.32, 324.59°)
OKLab	oklab(37.66% 0.1169 -0.0861)
OKLCH	oklch(37.66% 0.145 323.6)
XYZ	xyz(8.3540, 4.5764, 14.6278)
Luminance	0.0458 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B6C #236C1B

analogous

#3C1B6C #641B6C #6C1B4C

triadic

#641B6C #6C641B #1B6C64

tetradic

#641B6C #6C3C1B #236C1B #1B4C6C

square

#641B6C #6C3C1B #236C1B #1B4C6C

split-complementary

#641B6C #4C6C1B #1B6C3C

monochromatic

#170618 #370F3B #641B6C #91279D #BE35CC

Accessibility & contrast

On white

10.96

#641B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#641B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6C

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B6C	#FFFFFF	#000000	##FFFFFF
##641B6C	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01376E

Deuteranopia (green-blind)

#293F6A

Tritanopia (blue-blind)

#662942

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #641b6c;
/* rgb */ color: rgb(100, 27, 108);
/* oklch */ color: oklch(37.7% 0.145 323.6);

Tailwind

colors: {
  custom: {
    50: '#935f96',
    500: '#641b6c',
    950: '#000000',
  },
}

SCSS

$custom: #641b6c;
$custom-light: #935f96;
$custom-dark: #000000;

JSON

{
  "hex": "#641b6c",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 108
  },
  "hsl": {
    "h": 294.074,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37664,
    "c": 0.1452,
    "h": 323.6
  },
  "luminance": 0.04576
}

Semantic roles & 50–950 ramp

primary

#641B6C

secondary

#4BA142

accent

#E34554

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #641B6C

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

Preview Lab → · Contrast checker → · Palette generator →