#40104C#40104C

#40104C is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.5% C 0.111 H 318.8°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#40104C
RGB	rgb(64, 16, 76)
HSL	hsl(288, 65%, 18%)
HSV	hsv(288, 79%, 30%)
CMYK	cmyk(15.8%, 78.9%, 0%, 70.2%)
CIE-LAB	lab(15.40, 32.65, -26.10)
CIE-LCH	lch(15.40, 41.80, 321.36°)
OKLab	oklab(28.5% 0.0836 -0.0732)
OKLCH	oklch(28.5% 0.111 318.8)
XYZ	xyz(3.6040, 1.9825, 7.0289)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40104C #1C4C10

analogous

#22104C #40104C #4C103A

triadic

#40104C #4C4010 #104C40

tetradic

#40104C #4C2210 #1C4C10 #103A4C

square

#40104C #4C2210 #1C4C10 #103A4C

split-complementary

#40104C #3A4C10 #104C22

monochromatic

#150519 #150519 #40104C #6B1B7F #9525B1

Accessibility & contrast

On white

15.04

#40104C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#40104C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40104C

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40104C	#FFFFFF	#000000	##FFFFFF
##40104C	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234E

Deuteranopia (green-blind)

#14284B

Tritanopia (blue-blind)

#401C2D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #40104c;
/* rgb */ color: rgb(64, 16, 76);
/* oklch */ color: oklch(28.5% 0.111 318.8);

Tailwind

colors: {
  custom: {
    50: '#77547e',
    500: '#40104c',
    950: '#000000',
  },
}

SCSS

$custom: #40104c;
$custom-light: #77547e;
$custom-dark: #000000;

JSON

{
  "hex": "#40104c",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 76
  },
  "hsl": {
    "h": 288,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.285,
    "c": 0.11112,
    "h": 318.8
  },
  "luminance": 0.01982
}

Semantic roles & 50–950 ramp

primary

#40104C

secondary

#438632

accent

#E84061

background

#F7F4F7

surface

#EDE8EE

border

#C8C4C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #40104C

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

Preview Lab → · Contrast checker → · Palette generator →