#40184B#40184B

#40184B is a dark, moderate purple. Relative luminance 0.023; OKLCH L 29.5% C 0.098 H 318.4°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#40184B
RGB	rgb(64, 24, 75)
HSL	hsl(287, 52%, 19%)
HSV	hsv(287, 68%, 29%)
CMYK	cmyk(14.7%, 68%, 0%, 70.6%)
CIE-LAB	lab(16.75, 28.44, -23.24)
CIE-LCH	lch(16.75, 36.73, 320.74°)
OKLab	oklab(29.46% 0.0731 -0.0649)
OKLCH	oklch(29.46% 0.098 318.4)
XYZ	xyz(3.7108, 2.2514, 6.8943)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40184B #234B18

analogous

#27184B #40184B #4B183D

triadic

#40184B #4B4018 #184B40

tetradic

#40184B #4B2718 #234B18 #183D4B

square

#40184B #4B2718 #234B18 #183D4B

split-complementary

#40184B #3D4B18 #184B27

monochromatic

#140717 #18091D #40184B #682779 #8F36A8

Accessibility & contrast

On white

14.48

#40184B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#40184B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40184B

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40184B	#FFFFFF	#000000	##FFFFFF
##40184B	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A274D

Deuteranopia (green-blind)

#1B2B4A

Tritanopia (blue-blind)

#40212F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #40184b;
/* rgb */ color: rgb(64, 24, 75);
/* oklch */ color: oklch(29.5% 0.098 318.4);

Tailwind

colors: {
  custom: {
    50: '#77587d',
    500: '#40184b',
    950: '#000000',
  },
}

SCSS

$custom: #40184b;
$custom-light: #77587d;
$custom-dark: #000000;

JSON

{
  "hex": "#40184b",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 75
  },
  "hsl": {
    "h": 287.059,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29456,
    "c": 0.09778,
    "h": 318.4
  },
  "luminance": 0.02251
}

Semantic roles & 50–950 ramp

primary

#40184B

secondary

#4C823D

accent

#DB4D6B

background

#F7F5F7

surface

#EDE9EE

border

#C8C5C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #40184B

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

Preview Lab → · Contrast checker → · Palette generator →