#401B78#401B78

#401B78 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.147 H 295.4°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#401B78
RGB	rgb(64, 27, 120)
HSL	hsl(264, 63%, 29%)
HSV	hsv(264, 78%, 47%)
CMYK	cmyk(46.7%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(20.94, 38.69, -46.23)
CIE-LCH	lch(20.94, 60.29, 309.93°)
OKLab	oklab(33.59% 0.063 -0.1324)
OKLCH	oklch(33.59% 0.147 295.4)
XYZ	xyz(5.8955, 3.2298, 18.0784)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B78 #53781B

analogous

#1B2578 #401B78 #6F1B78

triadic

#401B78 #78401B #1B7840

tetradic

#401B78 #781B25 #53781B #1B786F

square

#401B78 #781B25 #53781B #1B786F

split-complementary

#401B78 #786F1B #25781B

monochromatic

#0D0619 #251046 #401B78 #5B26AA #773BD3

Accessibility & contrast

On white

12.76

#401B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#401B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B78

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B78	#FFFFFF	#000000	##FFFFFF
##401B78	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337B

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#303448

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #401b78;
/* rgb */ color: rgb(64, 27, 120);
/* oklch */ color: oklch(33.6% 0.147 295.4);

Tailwind

colors: {
  custom: {
    50: '#7b5ba0',
    500: '#401b78',
    950: '#000000',
  },
}

SCSS

$custom: #401b78;
$custom-light: #7b5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#401b78",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 263.871,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33585,
    "c": 0.14666,
    "h": 295.4
  },
  "luminance": 0.0323
}

Semantic roles & 50–950 ramp

primary

#401B78

secondary

#82AC43

accent

#E641A5

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #401B78

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

Preview Lab → · Contrast checker → · Palette generator →