#40186D#40186D

#40186D is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.2% C 0.137 H 300.0°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#40186D
RGB	rgb(64, 24, 109)
HSL	hsl(268, 64%, 26%)
HSV	hsv(268, 78%, 43%)
CMYK	cmyk(41.3%, 78%, 0%, 57.3%)
CIE-LAB	lab(19.42, 37.14, -41.62)
CIE-LCH	lch(19.42, 55.78, 311.74°)
OKLab	oklab(32.21% 0.0688 -0.1189)
OKLCH	oklch(32.21% 0.137 300)
XYZ	xyz(5.2006, 2.8473, 14.7406)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40186D #456D18

analogous

#181A6D #40186D #6A186D

triadic

#40186D #6D4018 #186D40

tetradic

#40186D #6D181A #456D18 #186D6A

square

#40186D #6D181A #456D18 #186D6A

split-complementary

#40186D #6D6A18 #1A6D18

monochromatic

#0F0619 #230D3B #40186D #5D239F #7B2ED1

Accessibility & contrast

On white

13.38

#40186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#40186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40186D

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40186D	#FFFFFF	#000000	##FFFFFF
##40186D	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#002E6B

Tritanopia (blue-blind)

#362E41

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #40186d;
/* rgb */ color: rgb(64, 24, 109);
/* oklch */ color: oklch(32.2% 0.137 300.0);

Tailwind

colors: {
  custom: {
    50: '#7a5998',
    500: '#40186d',
    950: '#000000',
  },
}

SCSS

$custom: #40186d;
$custom-light: #7a5998;
$custom-dark: #000000;

JSON

{
  "hex": "#40186d",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 268.235,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32205,
    "c": 0.13732,
    "h": 300
  },
  "luminance": 0.02847
}

Semantic roles & 50–950 ramp

primary

#40186D

secondary

#73A33E

accent

#E74199

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #40186D

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

Preview Lab → · Contrast checker → · Palette generator →