#401D5B#401D5B

#401D5B is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.4% C 0.109 H 307.2°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#401D5B
RGB	rgb(64, 29, 91)
HSL	hsl(274, 52%, 24%)
HSV	hsv(274, 68%, 36%)
CMYK	cmyk(29.7%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(18.90, 29.65, -30.62)
CIE-LCH	lch(18.90, 42.62, 314.08°)
OKLab	oklab(31.37% 0.0657 -0.0866)
OKLCH	oklch(31.37% 0.109 307.2)
XYZ	xyz(4.4417, 2.7241, 10.1873)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 6.42

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401D5B #385B1D

analogous

#211D5B #401D5B #5B1D57

triadic

#401D5B #5B401D #1D5B40

tetradic

#401D5B #5B211D #385B1D #1D575B

square

#401D5B #5B211D #385B1D #1D575B

split-complementary

#401D5B #575B1D #1D5B21

monochromatic

#100717 #1F0E2D #401D5B #612C89 #813BB8

Accessibility & contrast

On white

13.59

#401D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#401D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401D5B

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401D5B	#FFFFFF	#000000	##FFFFFF
##401D5B	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#112E5A

Tritanopia (blue-blind)

#3C2A39

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #401d5b;
/* rgb */ color: rgb(64, 29, 91);
/* oklch */ color: oklch(31.4% 0.109 307.2);

Tailwind

colors: {
  custom: {
    50: '#775b8a',
    500: '#401d5b',
    950: '#000000',
  },
}

SCSS

$custom: #401d5b;
$custom-light: #775b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#401d5b",
  "rgb": {
    "r": 64,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 273.871,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31373,
    "c": 0.10869,
    "h": 307.2
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#401D5B

secondary

#659044

accent

#DB4D8B

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #401D5B

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

Preview Lab → · Contrast checker → · Palette generator →