#400237#400237

#400237 is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.6% C 0.110 H 335.5°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#400237
RGB	rgb(64, 2, 55)
HSL	hsl(309, 94%, 13%)
HSV	hsv(309, 97%, 25%)
CMYK	cmyk(0%, 96.9%, 14.1%, 74.9%)
CIE-LAB	lab(12.02, 34.11, -16.68)
CIE-LCH	lch(12.02, 37.98, 333.94°)
OKLab	oklab(25.63% 0.1001 -0.0457)
OKLCH	oklch(25.63% 0.11 335.5)
XYZ	xyz(2.8257, 1.4095, 3.7369)
Luminance	0.0141 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400237 #02400B

analogous

#2A0240 #400237 #400218

triadic

#400237 #374002 #023740

tetradic

#400237 #402A02 #02400B #021840

square

#400237 #402A02 #02400B #021840

split-complementary

#400237 #184002 #02402A

monochromatic

#1E0119 #1E0119 #400237 #7B046A #B7069D

Accessibility & contrast

On white

16.38

#400237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400237

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400237	#FFFFFF	#000000	##FFFFFF
##400237	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021A38

Deuteranopia (green-blind)

#1B2336

Tritanopia (blue-blind)

#44071D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400237;
/* rgb */ color: rgb(64, 2, 55);
/* oklch */ color: oklch(25.6% 0.110 335.5);

Tailwind

colors: {
  custom: {
    50: '#784c6e',
    500: '#400237',
    950: '#000000',
  },
}

SCSS

$custom: #400237;
$custom-light: #784c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#400237",
  "rgb": {
    "r": 64,
    "g": 2,
    "b": 55
  },
  "hsl": {
    "h": 308.71,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.25633,
    "c": 0.11,
    "h": 335.5
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#400237

secondary

#1B832A

accent

#FF4829

background

#F7F4F6

surface

#EDE7EB

border

#C8C3C6

text

#090207

muted

#7B787A

Preview Lab

Preview with #400237

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

Preview Lab → · Contrast checker → · Palette generator →