#641B68#641B68

#641B68 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.4% C 0.142 H 325.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#641B68
RGB	rgb(100, 27, 104)
HSL	hsl(297, 59%, 26%)
HSV	hsv(297, 74%, 41%)
CMYK	cmyk(3.8%, 74%, 0%, 59.2%)
CIE-LAB	lab(25.24, 42.69, -28.71)
CIE-LCH	lch(25.24, 51.45, 326.08°)
OKLab	oklab(37.4% 0.117 -0.0797)
OKLCH	oklch(37.4% 0.142 325.7)
XYZ	xyz(8.1460, 4.4932, 13.5322)
Luminance	0.0449 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B68 #1F681B

analogous

#3D1B68 #641B68 #681B45

triadic

#641B68 #68641B #1B6864

tetradic

#641B68 #683D1B #1F681B #1B4568

square

#641B68 #683D1B #1F681B #1B4568

split-complementary

#641B68 #45681B #1B683D

monochromatic

#170618 #350E37 #641B68 #932899 #C134C9

Accessibility & contrast

On white

11.06

#641B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#641B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B68

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B68	#FFFFFF	#000000	##FFFFFF
##641B68	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09366A

Deuteranopia (green-blind)

#2C3F66

Tritanopia (blue-blind)

#67273F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #641b68;
/* rgb */ color: rgb(100, 27, 104);
/* oklch */ color: oklch(37.4% 0.142 325.7);

Tailwind

colors: {
  custom: {
    50: '#935f93',
    500: '#641b68',
    950: '#000000',
  },
}

SCSS

$custom: #641b68;
$custom-light: #935f93;
$custom-dark: #000000;

JSON

{
  "hex": "#641b68",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 296.883,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37401,
    "c": 0.14159,
    "h": 325.7
  },
  "luminance": 0.04493
}

Semantic roles & 50–950 ramp

primary

#641B68

secondary

#469D42

accent

#E2464E

background

#F9F5F9

surface

#F2EAF1

border

#CCC6CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #641B68

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

Preview Lab → · Contrast checker → · Palette generator →