#400437#400437

#400437 is a dark, moderate purple. Relative luminance 0.015; OKLCH L 25.8% C 0.107 H 335.5°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#400437
RGB	rgb(64, 4, 55)
HSL	hsl(309, 88%, 13%)
HSV	hsv(309, 94%, 25%)
CMYK	cmyk(0%, 93.8%, 14.1%, 74.9%)
CIE-LAB	lab(12.31, 33.28, -16.23)
CIE-LCH	lch(12.31, 37.03, 334.00°)
OKLab	oklab(25.84% 0.0976 -0.0444)
OKLCH	oklch(25.84% 0.107 335.5)
XYZ	xyz(2.8474, 1.4529, 3.7442)
Luminance	0.0145 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400437 #04400D

analogous

#2B0440 #400437 #400419

triadic

#400437 #374004 #043740

tetradic

#400437 #402B04 #04400D #041940

square

#400437 #402B04 #04400D #041940

split-complementary

#400437 #194004 #04402B

monochromatic

#1D0219 #1D0219 #400437 #7A0868 #B30B9A

Accessibility & contrast

On white

16.27

#400437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400437

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400437	#FFFFFF	#000000	##FFFFFF
##400437	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041A38

Deuteranopia (green-blind)

#1B2336

Tritanopia (blue-blind)

#44091E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400437;
/* rgb */ color: rgb(64, 4, 55);
/* oklch */ color: oklch(25.8% 0.107 335.5);

Tailwind

colors: {
  custom: {
    50: '#784d6e',
    500: '#400437',
    950: '#000000',
  },
}

SCSS

$custom: #400437;
$custom-light: #784d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#400437",
  "rgb": {
    "r": 64,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 309,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.25836,
    "c": 0.10723,
    "h": 335.5
  },
  "luminance": 0.01453
}

Semantic roles & 50–950 ramp

primary

#400437

secondary

#1F812D

accent

#FE4929

background

#F7F4F6

surface

#EDE7EB

border

#C8C3C6

text

#090207

muted

#7B787A

Preview Lab

Preview with #400437

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

Preview Lab → · Contrast checker → · Palette generator →