#641B6B#641B6B

#641B6B is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.6% C 0.144 H 324.1°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#641B6B
RGB	rgb(100, 27, 107)
HSL	hsl(295, 60%, 26%)
HSV	hsv(295, 75%, 42%)
CMYK	cmyk(6.5%, 74.8%, 0%, 58%)
CIE-LAB	lab(25.43, 43.27, -30.35)
CIE-LCH	lch(25.43, 52.85, 324.95°)
OKLab	oklab(37.6% 0.1169 -0.0845)
OKLCH	oklch(37.6% 0.144 324.1)
XYZ	xyz(8.3011, 4.5552, 14.3491)
Luminance	0.0456 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B6B #226B1B

analogous

#3C1B6B #641B6B #6B1B4A

triadic

#641B6B #6B641B #1B6B64

tetradic

#641B6B #6B3C1B #226B1B #1B4A6B

square

#641B6B #6B3C1B #226B1B #1B4A6B

split-complementary

#641B6B #4A6B1B #1B6B3C

monochromatic

#170618 #360F3A #641B6B #92279C #BF35CC

Accessibility & contrast

On white

10.99

#641B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#641B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6B

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B6B	#FFFFFF	#000000	##FFFFFF
##641B6B	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03376D

Deuteranopia (green-blind)

#2A3F69

Tritanopia (blue-blind)

#662941

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #641b6b;
/* rgb */ color: rgb(100, 27, 107);
/* oklch */ color: oklch(37.6% 0.144 324.1);

Tailwind

colors: {
  custom: {
    50: '#935f96',
    500: '#641b6b',
    950: '#000000',
  },
}

SCSS

$custom: #641b6b;
$custom-light: #935f96;
$custom-dark: #000000;

JSON

{
  "hex": "#641b6b",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 294.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37597,
    "c": 0.14429,
    "h": 324.1
  },
  "luminance": 0.04555
}

Semantic roles & 50–950 ramp

primary

#641B6B

secondary

#4AA042

accent

#E34553

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #641B6B

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

Preview Lab → · Contrast checker → · Palette generator →