#42104A#42104A

#42104A is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.7% C 0.110 H 321.8°. Best body text is #FFFFFF at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#42104A
RGB	rgb(66, 16, 74)
HSL	hsl(292, 64%, 18%)
HSV	hsv(292, 78%, 29%)
CMYK	cmyk(10.8%, 78.4%, 0%, 71%)
CIE-LAB	lab(15.61, 32.72, -24.36)
CIE-LCH	lch(15.61, 40.79, 323.33°)
OKLab	oklab(28.68% 0.0865 -0.0681)
OKLCH	oklch(28.68% 0.11 321.8)
XYZ	xyz(3.6680, 2.0234, 6.6746)
Luminance	0.0202 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42104A #184A10

analogous

#25104A #42104A #4A1035

triadic

#42104A #4A4210 #104A42

tetradic

#42104A #4A2510 #184A10 #10354A

square

#42104A #4A2510 #184A10 #10354A

split-complementary

#42104A #354A10 #104A25

monochromatic

#160519 #160519 #42104A #6F1B7C #9C26AF

Accessibility & contrast

On white

14.95

#42104A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#42104A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42104A

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42104A	#FFFFFF	#000000	##FFFFFF
##42104A	1.00	14.95	1.40	14.95
#FFFFFF	14.95	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234C

Deuteranopia (green-blind)

#182949

Tritanopia (blue-blind)

#431B2B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #42104a;
/* rgb */ color: rgb(66, 16, 74);
/* oklch */ color: oklch(28.7% 0.110 321.8);

Tailwind

colors: {
  custom: {
    50: '#79547d',
    500: '#42104a',
    950: '#000000',
  },
}

SCSS

$custom: #42104a;
$custom-light: #79547d;
$custom-dark: #000000;

JSON

{
  "hex": "#42104a",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 74
  },
  "hsl": {
    "h": 291.724,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28679,
    "c": 0.11007,
    "h": 321.8
  },
  "luminance": 0.02023
}

Semantic roles & 50–950 ramp

primary

#42104A

secondary

#3D8432

accent

#E74057

background

#F7F5F7

surface

#EEE8EE

border

#C9C4C9

text

#090309

muted

#7B787B

Preview Lab

Preview with #42104A

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

Preview Lab → · Contrast checker → · Palette generator →