#400D3B#400D3B

#400D3B is a dark, moderate purple. Relative luminance 0.017; OKLCH L 27.0% C 0.099 H 332.2°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#400D3B
RGB	rgb(64, 13, 59)
HSL	hsl(306, 66%, 15%)
HSV	hsv(306, 80%, 25%)
CMYK	cmyk(0%, 79.7%, 7.8%, 74.9%)
CIE-LAB	lab(13.79, 30.44, -16.76)
CIE-LCH	lch(13.79, 34.75, 331.16°)
OKLab	oklab(26.98% 0.0874 -0.046)
OKLCH	oklch(26.98% 0.099 332.2)
XYZ	xyz(3.0477, 1.6938, 4.3033)
Luminance	0.0169 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D3B #0D4012

analogous

#2B0D40 #400D3B #400D22

triadic

#400D3B #3B400D #0D3B40

tetradic

#400D3B #402B0D #0D4012 #0D2240

square

#400D3B #402B0D #0D4012 #0D2240

split-complementary

#400D3B #22400D #0D402B

monochromatic

#190517 #190517 #400D3B #73176A #A62299

Accessibility & contrast

On white

15.69

#400D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#400D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D3B

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D3B	#FFFFFF	#000000	##FFFFFF
##400D3B	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1F3C

Deuteranopia (green-blind)

#1D263A

Tritanopia (blue-blind)

#431222

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #400d3b;
/* rgb */ color: rgb(64, 13, 59);
/* oklch */ color: oklch(27.0% 0.099 332.2);

Tailwind

colors: {
  custom: {
    50: '#775171',
    500: '#400d3b',
    950: '#000000',
  },
}

SCSS

$custom: #400d3b;
$custom-light: #775171;
$custom-dark: #000000;

JSON

{
  "hex": "#400d3b",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 59
  },
  "hsl": {
    "h": 305.882,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26981,
    "c": 0.09875,
    "h": 332.2
  },
  "luminance": 0.01694
}

Semantic roles & 50–950 ramp

primary

#400D3B

secondary

#2D7C35

accent

#E94F3F

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090207

muted

#7B787A

Preview Lab

Preview with #400D3B

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

Preview Lab → · Contrast checker → · Palette generator →