#401D8B#401D8B

#401D8B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.167 H 289.6°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#401D8B
RGB	rgb(64, 29, 139)
HSL	hsl(259, 65%, 33%)
HSV	hsv(259, 79%, 55%)
CMYK	cmyk(54%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(23.11, 43.11, -54.68)
CIE-LCH	lch(23.11, 69.63, 308.25°)
OKLab	oklab(35.66% 0.0559 -0.1572)
OKLCH	oklch(35.66% 0.167 289.6)
XYZ	xyz(7.2126, 3.8325, 24.7808)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401D8B #688B1D

analogous

#1D318B #401D8B #771D8B

triadic

#401D8B #8B401D #1D8B40

tetradic

#401D8B #8B1D31 #688B1D #1D8B77

square

#401D8B #8B1D31 #688B1D #1D8B77

split-complementary

#401D8B #8B771D #318B1D

monochromatic

#110826 #291258 #401D8B #5728BE #7749D9

Accessibility & contrast

On white

11.89

#401D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#401D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401D8B

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401D8B	#FFFFFF	#000000	##FFFFFF
##401D8B	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003489

Tritanopia (blue-blind)

#243C53

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #401d8b;
/* rgb */ color: rgb(64, 29, 139);
/* oklch */ color: oklch(35.7% 0.167 289.6);

Tailwind

colors: {
  custom: {
    50: '#7e5eae',
    500: '#401d8b',
    950: '#000000',
  },
}

SCSS

$custom: #401d8b;
$custom-light: #7e5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#401d8b",
  "rgb": {
    "r": 64,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 259.091,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35663,
    "c": 0.16684,
    "h": 289.6
  },
  "luminance": 0.03833
}

Semantic roles & 50–950 ramp

primary

#401D8B

secondary

#97BB49

accent

#E83FB3

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #401D8B

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

Preview Lab → · Contrast checker → · Palette generator →