#40183A#40183A

#40183A is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.4% C 0.079 H 333.6°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#40183A
RGB	rgb(64, 24, 58)
HSL	hsl(309, 45%, 17%)
HSV	hsv(309, 63%, 25%)
CMYK	cmyk(0%, 62.5%, 9.4%, 74.9%)
CIE-LAB	lab(15.74, 24.71, -13.00)
CIE-LCH	lch(15.74, 27.92, 332.25°)
OKLab	oklab(28.39% 0.0711 -0.0354)
OKLCH	oklch(28.39% 0.079 333.6)
XYZ	xyz(3.2047, 2.0490, 4.2289)
Luminance	0.0205 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40183A #18401E

analogous

#321840 #40183A #401826

triadic

#40183A #3A4018 #183A40

tetradic

#40183A #403218 #18401E #182640

square

#40183A #403218 #18401E #182640

split-complementary

#40183A #264018 #184032

monochromatic

#160814 #160814 #40183A #6D2962 #99398B

Accessibility & contrast

On white

14.90

#40183A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#40183A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40183A

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40183A	#FFFFFF	#000000	##FFFFFF
##40183A	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17243B

Deuteranopia (green-blind)

#232939

Tritanopia (blue-blind)

#431B26

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #40183a;
/* rgb */ color: rgb(64, 24, 58);
/* oklch */ color: oklch(28.4% 0.079 333.6);

Tailwind

colors: {
  custom: {
    50: '#765770',
    500: '#40183a',
    950: '#000000',
  },
}

SCSS

$custom: #40183a;
$custom-light: #765770;
$custom-dark: #000000;

JSON

{
  "hex": "#40183a",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 58
  },
  "hsl": {
    "h": 309,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28386,
    "c": 0.07945,
    "h": 333.6
  },
  "luminance": 0.02049
}

Semantic roles & 50–950 ramp

primary

#40183A

secondary

#3D7746

accent

#D56653

background

#F7F5F6

surface

#EDE9EC

border

#C8C5C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #40183A

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

Preview Lab → · Contrast checker → · Palette generator →