#400B39#400B39

#400B39 is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.6% C 0.100 H 334.0°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#400B39
RGB	rgb(64, 11, 57)
HSL	hsl(308, 71%, 15%)
HSV	hsv(308, 83%, 25%)
CMYK	cmyk(0%, 82.8%, 10.9%, 74.9%)
CIE-LAB	lab(13.38, 30.89, -15.98)
CIE-LCH	lch(13.38, 34.78, 332.65°)
OKLab	oklab(26.65% 0.0896 -0.0438)
OKLCH	oklch(26.65% 0.1 334)
XYZ	xyz(2.9726, 1.6250, 4.0272)
Luminance	0.0163 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B39 #0B4012

analogous

#2D0B40 #400B39 #400B1E

triadic

#400B39 #39400B #0B3940

tetradic

#400B39 #402D0B #0B4012 #0B1E40

square

#400B39 #402D0B #0B4012 #0B1E40

split-complementary

#400B39 #1E400B #0B402D

monochromatic

#1A0417 #1A0417 #400B39 #741468 #A81D96

Accessibility & contrast

On white

15.85

#400B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#400B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B39

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B39	#FFFFFF	#000000	##FFFFFF
##400B39	1.00	15.85	1.33	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1D3A

Deuteranopia (green-blind)

#1D2538

Tritanopia (blue-blind)

#431021

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #400b39;
/* rgb */ color: rgb(64, 11, 57);
/* oklch */ color: oklch(26.6% 0.100 334.0);

Tailwind

colors: {
  custom: {
    50: '#77506f',
    500: '#400b39',
    950: '#000000',
  },
}

SCSS

$custom: #400b39;
$custom-light: #77506f;
$custom-dark: #000000;

JSON

{
  "hex": "#400b39",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 57
  },
  "hsl": {
    "h": 307.925,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26647,
    "c": 0.09972,
    "h": 334
  },
  "luminance": 0.01625
}

Semantic roles & 50–950 ramp

primary

#400B39

secondary

#2A7D35

accent

#ED523A

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090207

muted

#7B787A

Preview Lab

Preview with #400B39

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

Preview Lab → · Contrast checker → · Palette generator →