#40105C#40105C

#40105C is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.8% C 0.128 H 309.2°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#40105C
RGB	rgb(64, 16, 92)
HSL	hsl(278, 70%, 21%)
HSV	hsv(278, 83%, 36%)
CMYK	cmyk(30.4%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(16.67, 36.40, -34.90)
CIE-LCH	lch(16.67, 50.42, 316.20°)
OKLab	oklab(29.8% 0.0809 -0.099)
OKLCH	oklch(29.8% 0.128 309.2)
XYZ	xyz(4.2310, 2.2334, 10.3313)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40105C #2C5C10

analogous

#1A105C #40105C #5C1052

triadic

#40105C #5C4010 #105C40

tetradic

#40105C #5C1A10 #2C5C10 #10525C

square

#40105C #5C1A10 #2C5C10 #10525C

split-complementary

#40105C #525C10 #105C1A

monochromatic

#12051A #1C0728 #40105C #641990 #8922C4

Accessibility & contrast

On white

14.52

#40105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#40105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40105C

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40105C	#FFFFFF	#000000	##FFFFFF
##40105C	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275E

Deuteranopia (green-blind)

#002A5A

Tritanopia (blue-blind)

#3C2336

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #40105c;
/* rgb */ color: rgb(64, 16, 92);
/* oklch */ color: oklch(29.8% 0.128 309.2);

Tailwind

colors: {
  custom: {
    50: '#78548b',
    500: '#40105c',
    950: '#000000',
  },
}

SCSS

$custom: #40105c;
$custom-light: #78548b;
$custom-dark: #000000;

JSON

{
  "hex": "#40105c",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 277.895,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29803,
    "c": 0.12788,
    "h": 309.2
  },
  "luminance": 0.02233
}

Semantic roles & 50–950 ramp

primary

#40105C

secondary

#579533

accent

#ED3B7C

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #40105C

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

Preview Lab → · Contrast checker → · Palette generator →