#401B64#401B64

#401B64 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.123 H 303.2°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#401B64
RGB	rgb(64, 27, 100)
HSL	hsl(270, 57%, 25%)
HSV	hsv(270, 73%, 39%)
CMYK	cmyk(36%, 73%, 0%, 60.8%)
CIE-LAB	lab(19.20, 33.17, -36.10)
CIE-LCH	lch(19.20, 49.02, 312.58°)
OKLab	oklab(31.81% 0.0673 -0.1027)
OKLCH	oklch(31.81% 0.123 303.2)
XYZ	xyz(4.8060, 2.7940, 12.3402)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#401B64 #3F641B

analogous

#1C1B64 #401B64 #641B63

triadic

#401B64 #64401B #1B6440

tetradic

#401B64 #641C1B #3F641B #1B6364

square

#401B64 #641C1B #3F641B #1B6364

split-complementary

#401B64 #63641B #1B641C

monochromatic

#0F0718 #210E34 #401B64 #5F2894 #7E35C4

Accessibility & contrast

On white

13.47

#401B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#401B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #401B64

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##401B64	#FFFFFF	#000000	##FFFFFF
##401B64	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E66

Deuteranopia (green-blind)

#002E62

Tritanopia (blue-blind)

#392C3D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #401b64;
/* rgb */ color: rgb(64, 27, 100);
/* oklch */ color: oklch(31.8% 0.123 303.2);

Tailwind

colors: {
  custom: {
    50: '#785a91',
    500: '#401b64',
    950: '#000000',
  },
}

SCSS

$custom: #401b64;
$custom-light: #785a91;
$custom-dark: #000000;

JSON

{
  "hex": "#401b64",
  "rgb": {
    "r": 64,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 270.411,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.31807,
    "c": 0.12275,
    "h": 303.2
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#401B64

secondary

#6D9941

accent

#E14793

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040D

muted

#7B797D

Preview Lab

Preview with #401B64

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

Preview Lab → · Contrast checker → · Palette generator →