#400B3B#400B3B

#400B3B is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.8% C 0.101 H 332.2°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#400B3B
RGB	rgb(64, 11, 59)
HSL	hsl(306, 71%, 15%)
HSV	hsv(306, 83%, 25%)
CMYK	cmyk(0%, 82.8%, 7.8%, 74.9%)
CIE-LAB	lab(13.50, 31.25, -17.21)
CIE-LCH	lch(13.50, 35.68, 331.15°)
OKLab	oklab(26.77% 0.0897 -0.0473)
OKLCH	oklch(26.77% 0.101 332.2)
XYZ	xyz(3.0234, 1.6453, 4.2952)
Luminance	0.0164 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B3B #0B4010

analogous

#2B0B40 #400B3B #400B21

triadic

#400B3B #3B400B #0B3B40

tetradic

#400B3B #402B0B #0B4010 #0B2140

square

#400B3B #402B0B #0B4010 #0B2140

split-complementary

#400B3B #21400B #0B402B

monochromatic

#1A0418 #1A0418 #400B3B #74146B #A81D9B

Accessibility & contrast

On white

15.80

#400B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#400B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B3B

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B3B	#FFFFFF	#000000	##FFFFFF
##400B3B	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081E3C

Deuteranopia (green-blind)

#1C253A

Tritanopia (blue-blind)

#431122

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #400b3b;
/* rgb */ color: rgb(64, 11, 59);
/* oklch */ color: oklch(26.8% 0.101 332.2);

Tailwind

colors: {
  custom: {
    50: '#775071',
    500: '#400b3b',
    950: '#000000',
  },
}

SCSS

$custom: #400b3b;
$custom-light: #775071;
$custom-dark: #000000;

JSON

{
  "hex": "#400b3b",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 59
  },
  "hsl": {
    "h": 305.66,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26774,
    "c": 0.10145,
    "h": 332.2
  },
  "luminance": 0.01645
}

Semantic roles & 50–950 ramp

primary

#400B3B

secondary

#2A7D32

accent

#ED4B3A

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090207

muted

#7B787A

Preview Lab

Preview with #400B3B

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

Preview Lab → · Contrast checker → · Palette generator →