#401B54#401B54

#401B54 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.103 H 311.7°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#401B54
RGB	rgb(64, 27, 84)
HSL	hsl(279, 51%, 22%)
HSV	hsv(279, 68%, 33%)
CMYK	cmyk(23.8%, 67.9%, 0%, 67.1%)
CIE-LAB	lab(17.98, 28.97, -27.40)
CIE-LCH	lch(17.98, 39.88, 316.59°)
OKLab	oklab(30.54% 0.0688 -0.0771)
OKLCH	oklch(30.54% 0.103 311.7)
XYZ	xyz(4.1062, 2.5140, 8.6547)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B54 #2F541B

analogous

#241B54 #401B54 #541B4C

triadic

#401B54 #54401B #1B5440

tetradic

#401B54 #54241B #2F541B #1B4C54

square

#401B54 #54241B #2F541B #1B4C54

split-complementary

#401B54 #4C541B #1B5424

monochromatic

#120717 #1D0C26 #401B54 #632A82 #8739B1

Accessibility & contrast

On white

13.97

#401B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#401B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B54

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B54	#FFFFFF	#000000	##FFFFFF
##401B54	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042A56

Deuteranopia (green-blind)

#162D53

Tritanopia (blue-blind)

#3E2634

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #401b54;
/* rgb */ color: rgb(64, 27, 84);
/* oklch */ color: oklch(30.5% 0.103 311.7);

Tailwind

colors: {
  custom: {
    50: '#775a84',
    500: '#401b54',
    950: '#000000',
  },
}

SCSS

$custom: #401b54;
$custom-light: #775a84;
$custom-dark: #000000;

JSON

{
  "hex": "#401b54",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 84
  },
  "hsl": {
    "h": 278.947,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.30544,
    "c": 0.10335,
    "h": 311.7
  },
  "luminance": 0.02514
}

Semantic roles & 50–950 ramp

primary

#401B54

secondary

#5B8A41

accent

#DB4D7F

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #401B54

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

Preview Lab → · Contrast checker → · Palette generator →