#401B4B#401B4B

#401B4B is a dark, moderate purple. Relative luminance 0.024; OKLCH L 29.9% C 0.093 H 317.9°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#401B4B
RGB	rgb(64, 27, 75)
HSL	hsl(286, 47%, 20%)
HSV	hsv(286, 64%, 29%)
CMYK	cmyk(14.7%, 64%, 0%, 70.6%)
CIE-LAB	lab(17.38, 26.75, -22.25)
CIE-LCH	lch(17.38, 34.79, 320.24°)
OKLab	oklab(29.91% 0.0687 -0.0621)
OKLCH	oklch(29.91% 0.093 317.9)
XYZ	xyz(3.7761, 2.3820, 6.9161)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B4B #264B1B

analogous

#281B4B #401B4B #4B1B3E

triadic

#401B4B #4B401B #1B4B40

tetradic

#401B4B #4B281B #264B1B #1B3E4B

square

#401B4B #4B281B #264B1B #1B3E4B

split-complementary

#401B4B #3E4B1B #1B4B28

monochromatic

#130817 #1A0B1E #401B4B #662B78 #8D3BA5

Accessibility & contrast

On white

14.22

#401B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#401B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B4B

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B4B	#FFFFFF	#000000	##FFFFFF
##401B4B	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F284D

Deuteranopia (green-blind)

#1D2C4A

Tritanopia (blue-blind)

#402330

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #401b4b;
/* rgb */ color: rgb(64, 27, 75);
/* oklch */ color: oklch(29.9% 0.093 317.9);

Tailwind

colors: {
  custom: {
    50: '#765a7d',
    500: '#401b4b',
    950: '#000000',
  },
}

SCSS

$custom: #401b4b;
$custom-light: #765a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#401b4b",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 75
  },
  "hsl": {
    "h": 286.25,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.29908,
    "c": 0.09256,
    "h": 317.9
  },
  "luminance": 0.02382
}

Semantic roles & 50–950 ramp

primary

#401B4B

secondary

#508141

accent

#D75170

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #401B4B

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

Preview Lab → · Contrast checker → · Palette generator →