#400337#400337

#400337 is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.7% C 0.109 H 335.5°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#400337
RGB	rgb(64, 3, 55)
HSL	hsl(309, 91%, 13%)
HSV	hsv(309, 95%, 25%)
CMYK	cmyk(0%, 95.3%, 14.1%, 74.9%)
CIE-LAB	lab(12.16, 33.70, -16.46)
CIE-LCH	lch(12.16, 37.50, 333.97°)
OKLab	oklab(25.74% 0.0988 -0.0451)
OKLCH	oklch(25.74% 0.109 335.5)
XYZ	xyz(2.8366, 1.4312, 3.7406)
Luminance	0.0143 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400337 #03400C

analogous

#2A0340 #400337 #400318

triadic

#400337 #374003 #033740

tetradic

#400337 #402A03 #03400C #031840

square

#400337 #402A03 #03400C #031840

split-complementary

#400337 #184003 #03402A

monochromatic

#1D0119 #1D0119 #400337 #7A0669 #B5089B

Accessibility & contrast

On white

16.33

#400337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400337

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400337	#FFFFFF	#000000	##FFFFFF
##400337	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031A38

Deuteranopia (green-blind)

#1B2336

Tritanopia (blue-blind)

#44081D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400337;
/* rgb */ color: rgb(64, 3, 55);
/* oklch */ color: oklch(25.7% 0.109 335.5);

Tailwind

colors: {
  custom: {
    50: '#784d6e',
    500: '#400337',
    950: '#000000',
  },
}

SCSS

$custom: #400337;
$custom-light: #784d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#400337",
  "rgb": {
    "r": 64,
    "g": 3,
    "b": 55
  },
  "hsl": {
    "h": 308.852,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.25735,
    "c": 0.10861,
    "h": 335.5
  },
  "luminance": 0.01431
}

Semantic roles & 50–950 ramp

primary

#400337

secondary

#1D822C

accent

#FF4829

background

#F7F4F6

surface

#EDE7EB

border

#C8C3C6

text

#090207

muted

#7B787A

Preview Lab

Preview with #400337

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

Preview Lab → · Contrast checker → · Palette generator →