#40183F#40183F

#40183F is a dark, moderate purple. Relative luminance 0.021; OKLCH L 28.7% C 0.085 H 328.5°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#40183F
RGB	rgb(64, 24, 63)
HSL	hsl(302, 45%, 17%)
HSV	hsv(302, 63%, 25%)
CMYK	cmyk(0%, 62.5%, 1.6%, 74.9%)
CIE-LAB	lab(16.02, 25.74, -16.09)
CIE-LCH	lch(16.02, 30.36, 327.99°)
OKLab	oklab(28.68% 0.0721 -0.0442)
OKLCH	oklch(28.68% 0.085 328.5)
XYZ	xyz(3.3381, 2.1023, 4.9316)
Luminance	0.0210 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40183F #184019

analogous

#2D1840 #40183F #40182B

triadic

#40183F #3F4018 #183F40

tetradic

#40183F #402D18 #184019 #182B40

square

#40183F #402D18 #184019 #182B40

split-complementary

#40183F #2B4018 #18402D

monochromatic

#160816 #160816 #40183F #6D296B #993997

Accessibility & contrast

On white

14.78

#40183F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#40183F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40183F

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40183F	#FFFFFF	#000000	##FFFFFF
##40183F	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142440

Deuteranopia (green-blind)

#212A3E

Tritanopia (blue-blind)

#421C28

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #40183f;
/* rgb */ color: rgb(64, 24, 63);
/* oklch */ color: oklch(28.7% 0.085 328.5);

Tailwind

colors: {
  custom: {
    50: '#765774',
    500: '#40183f',
    950: '#000000',
  },
}

SCSS

$custom: #40183f;
$custom-light: #765774;
$custom-dark: #000000;

JSON

{
  "hex": "#40183f",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 63
  },
  "hsl": {
    "h": 301.5,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28676,
    "c": 0.08455,
    "h": 328.5
  },
  "luminance": 0.02102
}

Semantic roles & 50–950 ramp

primary

#40183F

secondary

#3D773F

accent

#D55653

background

#F7F5F7

surface

#EDE9ED

border

#C8C5C8

text

#090308

muted

#7B787B

Preview Lab

Preview with #40183F

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

Preview Lab → · Contrast checker → · Palette generator →