#641A78#641A78

#641A78 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.4% C 0.157 H 317.9°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#641A78
RGB	rgb(100, 26, 120)
HSL	hsl(287, 64%, 29%)
HSV	hsv(287, 78%, 47%)
CMYK	cmyk(16.7%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(26.17, 46.25, -37.50)
CIE-LCH	lch(26.17, 59.54, 320.96°)
OKLab	oklab(38.41% 0.1169 -0.1054)
OKLCH	oklch(38.41% 0.157 317.9)
XYZ	xyz(9.0146, 4.8046, 18.2182)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A78 #2E781A

analogous

#351A78 #641A78 #781A5D

triadic

#641A78 #78641A #1A7864

tetradic

#641A78 #78351A #2E781A #1A5D78

square

#641A78 #78351A #2E781A #1A5D78

split-complementary

#641A78 #5D781A #1A7835

monochromatic

#150519 #3A0F46 #641A78 #8E25AA #B338D4

Accessibility & contrast

On white

10.71

#641A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#641A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A78

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A78	#FFFFFF	#000000	##FFFFFF
##641A78	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#1E4076

Tritanopia (blue-blind)

#632E48

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #641a78;
/* rgb */ color: rgb(100, 26, 120);
/* oklch */ color: oklch(38.4% 0.157 317.9);

Tailwind

colors: {
  custom: {
    50: '#945f9f',
    500: '#641a78',
    950: '#000000',
  },
}

SCSS

$custom: #641a78;
$custom-light: #945f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#641a78",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 287.234,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38406,
    "c": 0.15743,
    "h": 317.9
  },
  "luminance": 0.04804
}

Semantic roles & 50–950 ramp

primary

#641A78

secondary

#58AC41

accent

#E74064

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #641A78

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

Preview Lab → · Contrast checker → · Palette generator →