#641B67#641B67

#641B67 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.3% C 0.141 H 326.3°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#641B67
RGB	rgb(100, 27, 103)
HSL	hsl(298, 58%, 25%)
HSV	hsv(298, 74%, 40%)
CMYK	cmyk(2.9%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(25.18, 42.50, -28.15)
CIE-LCH	lch(25.18, 50.98, 326.48°)
OKLab	oklab(37.34% 0.117 -0.0781)
OKLCH	oklch(37.34% 0.141 326.3)
XYZ	xyz(8.0955, 4.4730, 13.2663)
Luminance	0.0447 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B67 #1E671B

analogous

#3E1B67 #641B67 #671B44

triadic

#641B67 #67641B #1B6764

tetradic

#641B67 #673E1B #1E671B #1B4467

square

#641B67 #673E1B #1E671B #1B4467

split-complementary

#641B67 #44671B #1B673E

monochromatic

#180618 #350E37 #641B67 #932897 #C234C8

Accessibility & contrast

On white

11.09

#641B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#641B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B67

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B67	#FFFFFF	#000000	##FFFFFF
##641B67	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3669

Deuteranopia (green-blind)

#2C3F65

Tritanopia (blue-blind)

#67273F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #641b67;
/* rgb */ color: rgb(100, 27, 103);
/* oklch */ color: oklch(37.3% 0.141 326.3);

Tailwind

colors: {
  custom: {
    50: '#935f93',
    500: '#641b67',
    950: '#000000',
  },
}

SCSS

$custom: #641b67;
$custom-light: #935f93;
$custom-dark: #000000;

JSON

{
  "hex": "#641b67",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 297.632,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37337,
    "c": 0.14069,
    "h": 326.3
  },
  "luminance": 0.04472
}

Semantic roles & 50–950 ramp

primary

#641B67

secondary

#459C42

accent

#E2464C

background

#F9F5F9

surface

#F2EAF1

border

#CCC6CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #641B67

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

Preview Lab → · Contrast checker → · Palette generator →