#42104B#42104B

#42104B is a dark, moderate purple. Relative luminance 0.020; OKLCH L 28.8% C 0.111 H 321.1°. Best body text is #FFFFFF at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#42104B
RGB	rgb(66, 16, 75)
HSL	hsl(291, 65%, 18%)
HSV	hsv(291, 79%, 29%)
CMYK	cmyk(12%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(15.68, 32.93, -24.94)
CIE-LCH	lch(15.68, 41.31, 322.87°)
OKLab	oklab(28.75% 0.0864 -0.0698)
OKLCH	oklch(28.75% 0.111 321.1)
XYZ	xyz(3.7019, 2.0370, 6.8534)
Luminance	0.0204 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42104B #194B10

analogous

#24104B #42104B #4B1037

triadic

#42104B #4B4210 #104B42

tetradic

#42104B #4B2410 #194B10 #10374B

square

#42104B #4B2410 #194B10 #10374B

split-complementary

#42104B #374B10 #104B24

monochromatic

#160519 #160519 #42104B #6E1B7D #9B26B0

Accessibility & contrast

On white

14.92

#42104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#42104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42104B

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42104B	#FFFFFF	#000000	##FFFFFF
##42104B	1.00	14.92	1.41	14.92
#FFFFFF	14.92	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244D

Deuteranopia (green-blind)

#17294A

Tritanopia (blue-blind)

#431B2C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #42104b;
/* rgb */ color: rgb(66, 16, 75);
/* oklch */ color: oklch(28.8% 0.111 321.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42104b",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 290.847,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28752,
    "c": 0.11107,
    "h": 321.1
  },
  "luminance": 0.02037
}

Semantic roles & 50–950 ramp

primary

#42104B

secondary

#3F8532

accent

#E8405A

background

#F7F5F7

surface

#EEE8EE

border

#C9C4C9

text

#09030A

muted

#7B787C

Preview Lab

Preview with #42104B

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

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