#641B72#641B72

#641B72 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.151 H 320.6°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#641B72
RGB	rgb(100, 27, 114)
HSL	hsl(290, 62%, 28%)
HSV	hsv(290, 76%, 45%)
CMYK	cmyk(12.3%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(25.89, 44.65, -34.12)
CIE-LCH	lch(25.89, 56.20, 322.61°)
OKLab	oklab(38.07% 0.1165 -0.0956)
OKLCH	oklch(38.07% 0.151 320.6)
XYZ	xyz(8.6844, 4.7086, 16.3677)
Luminance	0.0471 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B72 #29721B

analogous

#391B72 #641B72 #721B54

triadic

#641B72 #72641B #1B7264

tetradic

#641B72 #72391B #29721B #1B5472

square

#641B72 #72391B #29721B #1B5472

split-complementary

#641B72 #54721B #1B7239

monochromatic

#160619 #390F41 #641B72 #8F27A3 #B738D0

Accessibility & contrast

On white

10.82

#641B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#641B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B72

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B72	#FFFFFF	#000000	##FFFFFF
##641B72	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003874

Deuteranopia (green-blind)

#244070

Tritanopia (blue-blind)

#652C45

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641b72;
/* rgb */ color: rgb(100, 27, 114);
/* oklch */ color: oklch(38.1% 0.151 320.6);

Tailwind

colors: {
  custom: {
    50: '#93609b',
    500: '#641b72',
    950: '#000000',
  },
}

SCSS

$custom: #641b72;
$custom-light: #93609b;
$custom-dark: #000000;

JSON

{
  "hex": "#641b72",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 290.345,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.38073,
    "c": 0.1507,
    "h": 320.6
  },
  "luminance": 0.04708
}

Semantic roles & 50–950 ramp

primary

#641B72

secondary

#52A742

accent

#E5435D

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641B72

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

Preview Lab → · Contrast checker → · Palette generator →