#641B6E#641B6E

#641B6E is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.8% C 0.147 H 322.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#641B6E
RGB	rgb(100, 27, 110)
HSL	hsl(293, 61%, 27%)
HSV	hsv(293, 75%, 43%)
CMYK	cmyk(9.1%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(25.62, 43.85, -31.98)
CIE-LCH	lch(25.62, 54.27, 323.90°)
OKLab	oklab(37.8% 0.1168 -0.0893)
OKLCH	oklch(37.8% 0.147 322.6)
XYZ	xyz(8.4617, 4.6195, 15.1948)
Luminance	0.0462 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B6E #256E1B

analogous

#3B1B6E #641B6E #6E1B4F

triadic

#641B6E #6E641B #1B6E64

tetradic

#641B6E #6E3B1B #256E1B #1B4F6E

square

#641B6E #6E3B1B #256E1B #1B4F6E

split-complementary

#641B6E #4F6E1B #1B6E3B

monochromatic

#160619 #370F3D #641B6E #91279F #BB36CE

Accessibility & contrast

On white

10.92

#641B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#641B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6E

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B6E	#FFFFFF	#000000	##FFFFFF
##641B6E	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003770

Deuteranopia (green-blind)

#273F6C

Tritanopia (blue-blind)

#652A43

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b6e;
/* rgb */ color: rgb(100, 27, 110);
/* oklch */ color: oklch(37.8% 0.147 322.6);

Tailwind

colors: {
  custom: {
    50: '#935f98',
    500: '#641b6e',
    950: '#000000',
  },
}

SCSS

$custom: #641b6e;
$custom-light: #935f98;
$custom-dark: #000000;

JSON

{
  "hex": "#641b6e",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 292.771,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.37798,
    "c": 0.14702,
    "h": 322.6
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#641B6E

secondary

#4EA342

accent

#E44457

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B6E

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

Preview Lab → · Contrast checker → · Palette generator →