#42104D#42104D

#42104D is a dark, moderate purple. Relative luminance 0.021; OKLCH L 28.9% C 0.113 H 319.7°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#42104D
RGB	rgb(66, 16, 77)
HSL	hsl(289, 66%, 18%)
HSV	hsv(289, 79%, 30%)
CMYK	cmyk(14.3%, 79.2%, 0%, 69.8%)
CIE-LAB	lab(15.82, 33.37, -26.08)
CIE-LCH	lch(15.82, 42.35, 321.99°)
OKLab	oklab(28.9% 0.0863 -0.0731)
OKLCH	oklch(28.9% 0.113 319.7)
XYZ	xyz(3.7714, 2.0648, 7.2196)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42104D #1B4D10

analogous

#23104D #42104D #4D1039

triadic

#42104D #4D4210 #104D42

tetradic

#42104D #4D2310 #1B4D10 #10394D

square

#42104D #4D2310 #1B4D10 #10394D

split-complementary

#42104D #394D10 #104D23

monochromatic

#160519 #17051A #42104D #6D1B80 #9925B2

Accessibility & contrast

On white

14.86

#42104D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#42104D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42104D

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42104D	#FFFFFF	#000000	##FFFFFF
##42104D	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244F

Deuteranopia (green-blind)

#15294C

Tritanopia (blue-blind)

#421C2D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #42104d;
/* rgb */ color: rgb(66, 16, 77);
/* oklch */ color: oklch(28.9% 0.113 319.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42104d",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 77
  },
  "hsl": {
    "h": 289.18,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.289,
    "c": 0.11309,
    "h": 319.7
  },
  "luminance": 0.02065
}

Semantic roles & 50–950 ramp

primary

#42104D

secondary

#418732

accent

#E93F5E

background

#F7F5F7

surface

#EEE9EE

border

#C9C5C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #42104D

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

Preview Lab → · Contrast checker → · Palette generator →