#40183D#40183D

#40183D is a dark, moderate purple. Relative luminance 0.021; OKLCH L 28.6% C 0.082 H 330.4°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#40183D
RGB	rgb(64, 24, 61)
HSL	hsl(305, 45%, 17%)
HSV	hsv(305, 63%, 25%)
CMYK	cmyk(0%, 62.5%, 4.7%, 74.9%)
CIE-LAB	lab(15.90, 25.32, -14.86)
CIE-LCH	lch(15.90, 29.36, 329.59°)
OKLab	oklab(28.56% 0.0717 -0.0407)
OKLCH	oklch(28.56% 0.082 330.4)
XYZ	xyz(3.2833, 2.0804, 4.6426)
Luminance	0.0208 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40183D #18401B

analogous

#2F1840 #40183D #401829

triadic

#40183D #3D4018 #183D40

tetradic

#40183D #402F18 #18401B #182940

square

#40183D #402F18 #18401B #182940

split-complementary

#40183D #294018 #18402F

monochromatic

#160815 #160815 #40183D #6D2967 #993992

Accessibility & contrast

On white

14.83

#40183D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#40183D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40183D

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40183D	#FFFFFF	#000000	##FFFFFF
##40183D	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16243E

Deuteranopia (green-blind)

#222A3C

Tritanopia (blue-blind)

#431C27

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #40183d;
/* rgb */ color: rgb(64, 24, 61);
/* oklch */ color: oklch(28.6% 0.082 330.4);

Tailwind

colors: {
  custom: {
    50: '#765772',
    500: '#40183d',
    950: '#000000',
  },
}

SCSS

$custom: #40183d;
$custom-light: #765772;
$custom-dark: #000000;

JSON

{
  "hex": "#40183d",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 61
  },
  "hsl": {
    "h": 304.5,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28557,
    "c": 0.08247,
    "h": 330.4
  },
  "luminance": 0.0208
}

Semantic roles & 50–950 ramp

primary

#40183D

secondary

#3D7742

accent

#D55C53

background

#F7F5F6

surface

#EDE9EC

border

#C8C5C7

text

#090308

muted

#7B787B

Preview Lab

Preview with #40183D

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

Preview Lab → · Contrast checker → · Palette generator →