#401D9C#401D9C

#401D9C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.186 H 285.7°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#401D9C
RGB	rgb(64, 29, 156)
HSL	hsl(257, 69%, 36%)
HSV	hsv(257, 81%, 61%)
CMYK	cmyk(59%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(24.85, 47.96, -62.31)
CIE-LCH	lch(24.85, 78.63, 307.59°)
OKLab	oklab(37.4% 0.0504 -0.1795)
OKLCH	oklch(37.4% 0.186 285.7)
XYZ	xyz(8.5526, 4.3685, 31.8386)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401D9C #799C1D

analogous

#1D3A9C #401D9C #801D9C

triadic

#401D9C #9C401D #1D9C40

tetradic

#401D9C #9C1D3A #799C1D #1D9C80

square

#401D9C #9C1D3A #799C1D #1D9C80

split-complementary

#401D9C #9C801D #3A9C1D

monochromatic

#160A35 #2B1368 #401D9C #5527D0 #7A54DF

Accessibility & contrast

On white

11.21

#401D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#401D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401D9C

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401D9C	#FFFFFF	#000000	##FFFFFF
##401D9C	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00379A

Tritanopia (blue-blind)

#0D435D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #401d9c;
/* rgb */ color: rgb(64, 29, 156);
/* oklch */ color: oklch(37.4% 0.186 285.7);

Tailwind

colors: {
  custom: {
    50: '#815fba',
    500: '#401d9c',
    950: '#000000',
  },
}

SCSS

$custom: #401d9c;
$custom-light: #815fba;
$custom-dark: #000000;

JSON

{
  "hex": "#401d9c",
  "rgb": {
    "r": 64,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 256.535,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.374,
    "c": 0.18645,
    "h": 285.7
  },
  "luminance": 0.04369
}

Semantic roles & 50–950 ramp

primary

#401D9C

secondary

#A4C252

accent

#EB3CBB

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #401D9C

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

Preview Lab → · Contrast checker → · Palette generator →