#40104E#40104E

#40104E is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.7% C 0.113 H 317.4°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#40104E
RGB	rgb(64, 16, 78)
HSL	hsl(286, 66%, 18%)
HSV	hsv(286, 79%, 31%)
CMYK	cmyk(17.9%, 79.5%, 0%, 69.4%)
CIE-LAB	lab(15.54, 33.10, -27.24)
CIE-LCH	lch(15.54, 42.87, 320.55°)
OKLab	oklab(28.65% 0.0834 -0.0766)
OKLCH	oklch(28.65% 0.113 317.4)
XYZ	xyz(3.6746, 2.0108, 7.4008)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40104E #1E4E10

analogous

#21104E #40104E #4E103D

triadic

#40104E #4E4010 #104E40

tetradic

#40104E #4E2110 #1E4E10 #103D4E

square

#40104E #4E2110 #1E4E10 #103D4E

split-complementary

#40104E #3D4E10 #104E21

monochromatic

#150519 #16061B #40104E #6A1A81 #9325B4

Accessibility & contrast

On white

14.98

#40104E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#40104E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40104E

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40104E	#FFFFFF	#000000	##FFFFFF
##40104E	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#12284D

Tritanopia (blue-blind)

#3F1D2E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #40104e;
/* rgb */ color: rgb(64, 16, 78);
/* oklch */ color: oklch(28.7% 0.113 317.4);

Tailwind

colors: {
  custom: {
    50: '#775480',
    500: '#40104e',
    950: '#000000',
  },
}

SCSS

$custom: #40104e;
$custom-light: #775480;
$custom-dark: #000000;

JSON

{
  "hex": "#40104e",
  "rgb": {
    "r": 64,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 286.452,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28653,
    "c": 0.11318,
    "h": 317.4
  },
  "luminance": 0.02011
}

Semantic roles & 50–950 ramp

primary

#40104E

secondary

#458832

accent

#E93F65

background

#F7F5F7

surface

#EDE8EE

border

#C8C4C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #40104E

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

Preview Lab → · Contrast checker → · Palette generator →