#401B77#401B77

#401B77 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.145 H 295.8°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#401B77
RGB	rgb(64, 27, 119)
HSL	hsl(264, 63%, 29%)
HSV	hsv(264, 77%, 47%)
CMYK	cmyk(46.2%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(20.85, 38.41, -45.74)
CIE-LCH	lch(20.85, 59.73, 310.02°)
OKLab	oklab(33.49% 0.0633 -0.131)
OKLCH	oklch(33.49% 0.145 295.8)
XYZ	xyz(5.8352, 3.2056, 17.7605)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B77 #52771B

analogous

#1B2477 #401B77 #6E1B77

triadic

#401B77 #77401B #1B7740

tetradic

#401B77 #771B24 #52771B #1B776E

square

#401B77 #771B24 #52771B #1B776E

split-complementary

#401B77 #776E1B #24771B

monochromatic

#0D0619 #251045 #401B77 #5B26A9 #773AD2

Accessibility & contrast

On white

12.80

#401B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#401B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B77

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B77	#FFFFFF	#000000	##FFFFFF
##401B77	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337A

Deuteranopia (green-blind)

#003175

Tritanopia (blue-blind)

#313347

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #401b77;
/* rgb */ color: rgb(64, 27, 119);
/* oklch */ color: oklch(33.5% 0.145 295.8);

Tailwind

colors: {
  custom: {
    50: '#7b5b9f',
    500: '#401b77',
    950: '#000000',
  },
}

SCSS

$custom: #401b77;
$custom-light: #7b5b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#401b77",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 264.13,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33492,
    "c": 0.14548,
    "h": 295.8
  },
  "luminance": 0.03206
}

Semantic roles & 50–950 ramp

primary

#401B77

secondary

#81AB42

accent

#E642A4

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #401B77

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

Preview Lab → · Contrast checker → · Palette generator →