#400537#400537

#400537 is a dark, moderate purple. Relative luminance 0.015; OKLCH L 25.9% C 0.106 H 335.6°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#400537
RGB	rgb(64, 5, 55)
HSL	hsl(309, 86%, 14%)
HSV	hsv(309, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 14.1%, 74.9%)
CIE-LAB	lab(12.45, 32.88, -16.01)
CIE-LCH	lch(12.45, 36.57, 334.03°)
OKLab	oklab(25.94% 0.0964 -0.0438)
OKLCH	oklch(25.94% 0.106 335.6)
XYZ	xyz(2.8583, 1.4746, 3.7478)
Luminance	0.0147 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400537 #05400E

analogous

#2B0540 #400537 #400519

triadic

#400537 #374005 #053740

tetradic

#400537 #402B05 #05400E #051940

square

#400537 #402B05 #05400E #051940

split-complementary

#400537 #194005 #05402B

monochromatic

#1C0218 #1C0218 #400537 #790968 #B20E99

Accessibility & contrast

On white

16.22

#400537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400537

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400537	#FFFFFF	#000000	##FFFFFF
##400537	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051B38

Deuteranopia (green-blind)

#1C2336

Tritanopia (blue-blind)

#440A1E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400537;
/* rgb */ color: rgb(64, 5, 55);
/* oklch */ color: oklch(25.9% 0.106 335.6);

Tailwind

colors: {
  custom: {
    50: '#784e6e',
    500: '#400537',
    950: '#000000',
  },
}

SCSS

$custom: #400537;
$custom-light: #784e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#400537",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 55
  },
  "hsl": {
    "h": 309.153,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.25936,
    "c": 0.10586,
    "h": 335.6
  },
  "luminance": 0.01474
}

Semantic roles & 50–950 ramp

primary

#400537

secondary

#20812F

accent

#FC4C2C

background

#F7F4F6

surface

#EDE7EB

border

#C8C3C6

text

#090207

muted

#7B787A

Preview Lab

Preview with #400537

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

Preview Lab → · Contrast checker → · Palette generator →