#400B3C#400B3C

#400B3C is a dark, moderate purple. Relative luminance 0.017; OKLCH L 26.8% C 0.102 H 331.3°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#400B3C
RGB	rgb(64, 11, 60)
HSL	hsl(305, 71%, 15%)
HSV	hsv(305, 83%, 25%)
CMYK	cmyk(0%, 82.8%, 6.2%, 74.9%)
CIE-LAB	lab(13.57, 31.44, -17.83)
CIE-LCH	lch(13.57, 36.14, 330.45°)
OKLab	oklab(26.84% 0.0898 -0.0491)
OKLCH	oklch(26.84% 0.102 331.3)
XYZ	xyz(3.0496, 1.6558, 4.4331)
Luminance	0.0166 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B3C #0B400F

analogous

#2A0B40 #400B3C #400B22

triadic

#400B3C #3C400B #0B3C40

tetradic

#400B3C #402A0B #0B400F #0B2240

square

#400B3C #402A0B #0B400F #0B2240

split-complementary

#400B3C #22400B #0B402A

monochromatic

#1A0418 #1A0418 #400B3C #74146D #A81D9E

Accessibility & contrast

On white

15.78

#400B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#400B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B3C

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B3C	#FFFFFF	#000000	##FFFFFF
##400B3C	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071E3D

Deuteranopia (green-blind)

#1C253B

Tritanopia (blue-blind)

#431122

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #400b3c;
/* rgb */ color: rgb(64, 11, 60);
/* oklch */ color: oklch(26.8% 0.102 331.3);

Tailwind

colors: {
  custom: {
    50: '#775072',
    500: '#400b3c',
    950: '#000000',
  },
}

SCSS

$custom: #400b3c;
$custom-light: #775072;
$custom-dark: #000000;

JSON

{
  "hex": "#400b3c",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 60
  },
  "hsl": {
    "h": 304.528,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26839,
    "c": 0.10233,
    "h": 331.3
  },
  "luminance": 0.01656
}

Semantic roles & 50–950 ramp

primary

#400B3C

secondary

#2A7D30

accent

#ED483A

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090208

muted

#7B787B

Preview Lab

Preview with #400B3C

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

Preview Lab → · Contrast checker → · Palette generator →