#641978#641978

#641978 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.3% C 0.159 H 318.0°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#641978
RGB	rgb(100, 25, 120)
HSL	hsl(287, 66%, 28%)
HSV	hsv(287, 79%, 47%)
CMYK	cmyk(16.7%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(26.04, 46.62, -37.70)
CIE-LCH	lch(26.04, 59.96, 321.03°)
OKLab	oklab(38.32% 0.1178 -0.106)
OKLCH	oklch(38.32% 0.159 318)
XYZ	xyz(8.9928, 4.7611, 18.2109)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641978 #2D7819

analogous

#341978 #641978 #78195C

triadic

#641978 #786419 #197864

tetradic

#641978 #783419 #2D7819 #195C78

square

#641978 #783419 #2D7819 #195C78

split-complementary

#641978 #5C7819 #197834

monochromatic

#150519 #3A0E45 #641978 #8E24AB #B436D5

Accessibility & contrast

On white

10.76

#641978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#641978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641978

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641978	#FFFFFF	#000000	##FFFFFF
##641978	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397B

Deuteranopia (green-blind)

#1D4076

Tritanopia (blue-blind)

#632E48

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #641978;
/* rgb */ color: rgb(100, 25, 120);
/* oklch */ color: oklch(38.3% 0.159 318.0);

Tailwind

colors: {
  custom: {
    50: '#945f9f',
    500: '#641978',
    950: '#000000',
  },
}

SCSS

$custom: #641978;
$custom-light: #945f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#641978",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 287.368,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38316,
    "c": 0.15853,
    "h": 318
  },
  "luminance": 0.04761
}

Semantic roles & 50–950 ramp

primary

#641978

secondary

#57AD40

accent

#E83F63

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050F

muted

#7E797E

Preview Lab

Preview with #641978

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

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