#420F5B#420F5B

#420F5B is a dark, vivid purple. Relative luminance 0.023; OKLCH L 29.9% C 0.129 H 311.4°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#420F5B
RGB	rgb(66, 15, 91)
HSL	hsl(280, 72%, 21%)
HSV	hsv(280, 84%, 36%)
CMYK	cmyk(27.5%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(16.77, 36.97, -34.04)
CIE-LCH	lch(16.77, 50.26, 317.36°)
OKLab	oklab(29.92% 0.0851 -0.0964)
OKLCH	oklch(29.92% 0.129 311.4)
XYZ	xyz(4.3056, 2.2553, 10.1040)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F5B #285B0F

analogous

#1C0F5B #420F5B #5B0F4E

triadic

#420F5B #5B420F #0F5B42

tetradic

#420F5B #5B1C0F #285B0F #0F4E5B

square

#420F5B #5B1C0F #285B0F #0F4E5B

split-complementary

#420F5B #4E5B0F #0F5B1C

monochromatic

#13041A #1C0626 #420F5B #681890 #8E20C4

Accessibility & contrast

On white

14.47

#420F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#420F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F5B

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F5B	#FFFFFF	#000000	##FFFFFF
##420F5B	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#012A59

Tritanopia (blue-blind)

#3F2235

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #420f5b;
/* rgb */ color: rgb(66, 15, 91);
/* oklch */ color: oklch(29.9% 0.129 311.4);

Tailwind

colors: {
  custom: {
    50: '#7a548a',
    500: '#420f5b',
    950: '#000000',
  },
}

SCSS

$custom: #420f5b;
$custom-light: #7a548a;
$custom-dark: #000000;

JSON

{
  "hex": "#420f5b",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 280.263,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29919,
    "c": 0.12862,
    "h": 311.4
  },
  "luminance": 0.02255
}

Semantic roles & 50–950 ramp

primary

#420F5B

secondary

#529531

accent

#EE3975

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #420F5B

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

Preview Lab → · Contrast checker → · Palette generator →