#401B5A#401B5A

#401B5A is a dark, moderate violet. Relative luminance 0.026; OKLCH L 31.0% C 0.111 H 308.2°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#401B5A
RGB	rgb(64, 27, 90)
HSL	hsl(275, 54%, 23%)
HSV	hsv(275, 70%, 35%)
CMYK	cmyk(28.9%, 70%, 0%, 64.7%)
CIE-LAB	lab(18.42, 30.51, -30.73)
CIE-LCH	lch(18.42, 43.31, 314.80°)
OKLab	oklab(31% 0.0685 -0.0869)
OKLCH	oklch(31% 0.111 308.2)
XYZ	xyz(4.3514, 2.6121, 9.9458)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 6.00

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B5A #355A1B

analogous

#201B5A #401B5A #5A1B54

triadic

#401B5A #5A401B #1B5A40

tetradic

#401B5A #5A201B #355A1B #1B545A

square

#401B5A #5A201B #355A1B #1B545A

split-complementary

#401B5A #545A1B #1B5A20

monochromatic

#110718 #1F0D2B #401B5A #612989 #8337B8

Accessibility & contrast

On white

13.79

#401B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#401B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B5A

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B5A	#FFFFFF	#000000	##FFFFFF
##401B5A	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5C

Deuteranopia (green-blind)

#0F2D59

Tritanopia (blue-blind)

#3C2838

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #401b5a;
/* rgb */ color: rgb(64, 27, 90);
/* oklch */ color: oklch(31.0% 0.111 308.2);

Tailwind

colors: {
  custom: {
    50: '#775a89',
    500: '#401b5a',
    950: '#000000',
  },
}

SCSS

$custom: #401b5a;
$custom-light: #775a89;
$custom-dark: #000000;

JSON

{
  "hex": "#401b5a",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 90
  },
  "hsl": {
    "h": 275.238,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.30999,
    "c": 0.11062,
    "h": 308.2
  },
  "luminance": 0.02612
}

Semantic roles & 50–950 ramp

primary

#401B5A

secondary

#629041

accent

#DD4B87

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09040B

muted

#7B797C

Preview Lab

Preview with #401B5A

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

Preview Lab → · Contrast checker → · Palette generator →