#400B3A#400B3A

#400B3A is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.7% C 0.101 H 333.1°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#400B3A
RGB	rgb(64, 11, 58)
HSL	hsl(307, 71%, 15%)
HSV	hsv(307, 83%, 25%)
CMYK	cmyk(0%, 82.8%, 9.4%, 74.9%)
CIE-LAB	lab(13.44, 31.07, -16.60)
CIE-LCH	lch(13.44, 35.22, 331.89°)
OKLab	oklab(26.71% 0.0897 -0.0455)
OKLCH	oklch(26.71% 0.101 333.1)
XYZ	xyz(2.9978, 1.6351, 4.1599)
Luminance	0.0163 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B3A #0B4011

analogous

#2B0B40 #400B3A #400B20

triadic

#400B3A #3A400B #0B3A40

tetradic

#400B3A #402B0B #0B4011 #0B2040

square

#400B3A #402B0B #0B4011 #0B2040

split-complementary

#400B3A #20400B #0B402B

monochromatic

#1A0418 #1A0418 #400B3A #741469 #A81D99

Accessibility & contrast

On white

15.83

#400B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#400B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B3A

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B3A	#FFFFFF	#000000	##FFFFFF
##400B3A	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091E3B

Deuteranopia (green-blind)

#1D2539

Tritanopia (blue-blind)

#431021

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #400b3a;
/* rgb */ color: rgb(64, 11, 58);
/* oklch */ color: oklch(26.7% 0.101 333.1);

Tailwind

colors: {
  custom: {
    50: '#775070',
    500: '#400b3a',
    950: '#000000',
  },
}

SCSS

$custom: #400b3a;
$custom-light: #775070;
$custom-dark: #000000;

JSON

{
  "hex": "#400b3a",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 306.792,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2671,
    "c": 0.10058,
    "h": 333.1
  },
  "luminance": 0.01635
}

Semantic roles & 50–950 ramp

primary

#400B3A

secondary

#2A7D33

accent

#ED4F3A

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090207

muted

#7B787A

Preview Lab

Preview with #400B3A

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

Preview Lab → · Contrast checker → · Palette generator →