#42104C#42104C

#42104C is a dark, moderate purple. Relative luminance 0.021; OKLCH L 28.8% C 0.112 H 320.4°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#42104C
RGB	rgb(66, 16, 76)
HSL	hsl(290, 65%, 18%)
HSV	hsv(290, 79%, 30%)
CMYK	cmyk(13.2%, 78.9%, 0%, 70.2%)
CIE-LAB	lab(15.75, 33.15, -25.51)
CIE-LCH	lch(15.75, 41.83, 322.42°)
OKLab	oklab(28.83% 0.0864 -0.0714)
OKLCH	oklch(28.83% 0.112 320.4)
XYZ	xyz(3.7364, 2.0508, 7.0351)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42104C #1A4C10

analogous

#24104C #42104C #4C1038

triadic

#42104C #4C4210 #104C42

tetradic

#42104C #4C2410 #1A4C10 #10384C

square

#42104C #4C2410 #1A4C10 #10384C

split-complementary

#42104C #384C10 #104C24

monochromatic

#160519 #160519 #42104C #6E1B7F #9A25B1

Accessibility & contrast

On white

14.89

#42104C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#42104C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42104C

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42104C	#FFFFFF	#000000	##FFFFFF
##42104C	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244E

Deuteranopia (green-blind)

#16294B

Tritanopia (blue-blind)

#421B2D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #42104c;
/* rgb */ color: rgb(66, 16, 76);
/* oklch */ color: oklch(28.8% 0.112 320.4);

Tailwind

colors: {
  custom: {
    50: '#79547e',
    500: '#42104c',
    950: '#000000',
  },
}

SCSS

$custom: #42104c;
$custom-light: #79547e;
$custom-dark: #000000;

JSON

{
  "hex": "#42104c",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 76
  },
  "hsl": {
    "h": 290,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28825,
    "c": 0.11208,
    "h": 320.4
  },
  "luminance": 0.02051
}

Semantic roles & 50–950 ramp

primary

#42104C

secondary

#408632

accent

#E8405C

background

#F7F5F7

surface

#EEE9EE

border

#C9C5C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #42104C

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

Preview Lab → · Contrast checker → · Palette generator →