#400B3F#400B3F

#400B3F is a dark, moderate purple. Relative luminance 0.017; OKLCH L 27.0% C 0.105 H 328.8°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#400B3F
RGB	rgb(64, 11, 63)
HSL	hsl(301, 71%, 15%)
HSV	hsv(301, 83%, 25%)
CMYK	cmyk(0%, 82.8%, 1.6%, 74.9%)
CIE-LAB	lab(13.76, 32.01, -19.65)
CIE-LCH	lch(13.76, 37.56, 328.46°)
OKLab	oklab(27.04% 0.0899 -0.0544)
OKLCH	oklch(27.04% 0.105 328.8)
XYZ	xyz(3.1312, 1.6884, 4.8626)
Luminance	0.0169 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B3F #0B400C

analogous

#270B40 #400B3F #400B25

triadic

#400B3F #3F400B #0B3F40

tetradic

#400B3F #40270B #0B400C #0B2540

square

#400B3F #40270B #0B400C #0B2540

split-complementary

#400B3F #25400B #0B4027

monochromatic

#1A041A #1A041A #400B3F #741472 #A81DA6

Accessibility & contrast

On white

15.70

#400B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#400B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B3F

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B3F	#FFFFFF	#000000	##FFFFFF
##400B3F	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041F40

Deuteranopia (green-blind)

#1A263E

Tritanopia (blue-blind)

#421324

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #400b3f;
/* rgb */ color: rgb(64, 11, 63);
/* oklch */ color: oklch(27.0% 0.105 328.8);

Tailwind

colors: {
  custom: {
    50: '#775174',
    500: '#400b3f',
    950: '#000000',
  },
}

SCSS

$custom: #400b3f;
$custom-light: #775174;
$custom-dark: #000000;

JSON

{
  "hex": "#400b3f",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 63
  },
  "hsl": {
    "h": 301.132,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2704,
    "c": 0.10504,
    "h": 328.8
  },
  "luminance": 0.01688
}

Semantic roles & 50–950 ramp

primary

#400B3F

secondary

#2A7D2C

accent

#ED3E3A

background

#F7F4F7

surface

#EDE7ED

border

#C8C3C8

text

#090208

muted

#7B787B

Preview Lab

Preview with #400B3F

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

Preview Lab → · Contrast checker → · Palette generator →