#641A74#641A74

#641A74 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.154 H 319.8°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#641A74
RGB	rgb(100, 26, 116)
HSL	hsl(289, 63%, 28%)
HSV	hsv(289, 78%, 45%)
CMYK	cmyk(13.8%, 77.6%, 0%, 54.5%)
CIE-LAB	lab(25.89, 45.44, -35.40)
CIE-LCH	lch(25.89, 57.60, 322.08°)
OKLab	oklab(38.12% 0.1174 -0.0993)
OKLCH	oklch(38.12% 0.154 319.8)
XYZ	xyz(8.7769, 4.7095, 16.9663)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A74 #2A741A

analogous

#371A74 #641A74 #741A57

triadic

#641A74 #74641A #1A7464

tetradic

#641A74 #74371A #2A741A #1A5774

square

#641A74 #74371A #2A741A #1A5774

split-complementary

#641A74 #57741A #1A7437

monochromatic

#160619 #390F42 #641A74 #8F25A6 #B636D2

Accessibility & contrast

On white

10.81

#641A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#641A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A74

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A74	#FFFFFF	#000000	##FFFFFF
##641A74	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003876

Deuteranopia (green-blind)

#224072

Tritanopia (blue-blind)

#642C46

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #641a74;
/* rgb */ color: rgb(100, 26, 116);
/* oklch */ color: oklch(38.1% 0.154 319.8);

Tailwind

colors: {
  custom: {
    50: '#935f9c',
    500: '#641a74',
    950: '#000000',
  },
}

SCSS

$custom: #641a74;
$custom-light: #935f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#641a74",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 116
  },
  "hsl": {
    "h": 289.333,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38119,
    "c": 0.15372,
    "h": 319.8
  },
  "luminance": 0.04709
}

Semantic roles & 50–950 ramp

primary

#641A74

secondary

#53A941

accent

#E6415F

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #641A74

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

Preview Lab → · Contrast checker → · Palette generator →