#641B6A#641B6A

#641B6A is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.5% C 0.143 H 324.7°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#641B6A
RGB	rgb(100, 27, 106)
HSL	hsl(295, 59%, 26%)
HSV	hsv(295, 75%, 42%)
CMYK	cmyk(5.7%, 74.5%, 0%, 58.4%)
CIE-LAB	lab(25.36, 43.08, -29.80)
CIE-LCH	lch(25.36, 52.38, 325.32°)
OKLab	oklab(37.53% 0.117 -0.0829)
OKLCH	oklch(37.53% 0.143 324.7)
XYZ	xyz(8.2488, 4.5343, 14.0736)
Luminance	0.0453 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B6A #216A1B

analogous

#3C1B6A #641B6A #6A1B48

triadic

#641B6A #6A641B #1B6A64

tetradic

#641B6A #6A3C1B #216A1B #1B486A

square

#641B6A #6A3C1B #216A1B #1B486A

split-complementary

#641B6A #486A1B #1B6A3C

monochromatic

#170618 #360F39 #641B6A #92279B #C034CB

Accessibility & contrast

On white

11.01

#641B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#641B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6A

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B6A	#FFFFFF	#000000	##FFFFFF
##641B6A	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05366C

Deuteranopia (green-blind)

#2A3F68

Tritanopia (blue-blind)

#662840

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #641b6a;
/* rgb */ color: rgb(100, 27, 106);
/* oklch */ color: oklch(37.5% 0.143 324.7);

Tailwind

colors: {
  custom: {
    50: '#935f95',
    500: '#641b6a',
    950: '#000000',
  },
}

SCSS

$custom: #641b6a;
$custom-light: #935f95;
$custom-dark: #000000;

JSON

{
  "hex": "#641b6a",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 106
  },
  "hsl": {
    "h": 295.443,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37531,
    "c": 0.14339,
    "h": 324.7
  },
  "luminance": 0.04534
}

Semantic roles & 50–950 ramp

primary

#641B6A

secondary

#499F42

accent

#E34551

background

#F9F5F9

surface

#F2EAF1

border

#CCC6CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #641B6A

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

Preview Lab → · Contrast checker → · Palette generator →