#641B6D#641B6D

#641B6D is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.7% C 0.146 H 323.1°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#641B6D
RGB	rgb(100, 27, 109)
HSL	hsl(293, 60%, 27%)
HSV	hsv(293, 75%, 43%)
CMYK	cmyk(8.3%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(25.56, 43.66, -31.44)
CIE-LCH	lch(25.56, 53.80, 324.24°)
OKLab	oklab(37.73% 0.1169 -0.0877)
OKLCH	oklch(37.73% 0.146 323.1)
XYZ	xyz(8.4075, 4.5978, 14.9097)
Luminance	0.0460 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B6D #246D1B

analogous

#3B1B6D #641B6D #6D1B4D

triadic

#641B6D #6D641B #1B6D64

tetradic

#641B6D #6D3B1B #246D1B #1B4D6D

square

#641B6D #6D3B1B #246D1B #1B4D6D

split-complementary

#641B6D #4D6D1B #1B6D3B

monochromatic

#170619 #370F3C #641B6D #91279E #BC35CD

Accessibility & contrast

On white

10.94

#641B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#641B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6D

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B6D	#FFFFFF	#000000	##FFFFFF
##641B6D	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00376F

Deuteranopia (green-blind)

#283F6B

Tritanopia (blue-blind)

#662A42

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b6d;
/* rgb */ color: rgb(100, 27, 109);
/* oklch */ color: oklch(37.7% 0.146 323.1);

Tailwind

colors: {
  custom: {
    50: '#935f97',
    500: '#641b6d',
    950: '#000000',
  },
}

SCSS

$custom: #641b6d;
$custom-light: #935f97;
$custom-dark: #000000;

JSON

{
  "hex": "#641b6d",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 293.415,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37731,
    "c": 0.14611,
    "h": 323.1
  },
  "luminance": 0.04597
}

Semantic roles & 50–950 ramp

primary

#641B6D

secondary

#4CA242

accent

#E34456

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #641B6D

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

Preview Lab → · Contrast checker → · Palette generator →