#641B6F#641B6F

#641B6F is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.9% C 0.148 H 322.1°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#641B6F
RGB	rgb(100, 27, 111)
HSL	hsl(292, 61%, 27%)
HSV	hsv(292, 76%, 44%)
CMYK	cmyk(9.9%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(25.69, 44.05, -32.52)
CIE-LCH	lch(25.69, 54.75, 323.57°)
OKLab	oklab(37.87% 0.1167 -0.0909)
OKLCH	oklch(37.87% 0.148 322.1)
XYZ	xyz(8.5164, 4.6414, 15.4831)
Luminance	0.0464 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B6F #266F1B

analogous

#3A1B6F #641B6F #6F1B50

triadic

#641B6F #6F641B #1B6F64

tetradic

#641B6F #6F3A1B #266F1B #1B506F

square

#641B6F #6F3A1B #266F1B #1B506F

split-complementary

#641B6F #506F1B #1B6F3A

monochromatic

#160619 #380F3E #641B6F #9027A0 #BA36CE

Accessibility & contrast

On white

10.89

#641B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#641B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B6F	#FFFFFF	#000000	##FFFFFF
##641B6F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003871

Deuteranopia (green-blind)

#27406D

Tritanopia (blue-blind)

#652B43

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b6f;
/* rgb */ color: rgb(100, 27, 111);
/* oklch */ color: oklch(37.9% 0.148 322.1);

Tailwind

colors: {
  custom: {
    50: '#935f99',
    500: '#641b6f',
    950: '#000000',
  },
}

SCSS

$custom: #641b6f;
$custom-light: #935f99;
$custom-dark: #000000;

JSON

{
  "hex": "#641b6f",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 292.143,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37866,
    "c": 0.14793,
    "h": 322.1
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#641B6F

secondary

#4FA442

accent

#E44459

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B6F

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

Preview Lab → · Contrast checker → · Palette generator →