#420F5A#420F5A

#420F5A is a dark, vivid purple. Relative luminance 0.022; OKLCH L 29.8% C 0.128 H 312.0°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#420F5A
RGB	rgb(66, 15, 90)
HSL	hsl(281, 71%, 21%)
HSV	hsv(281, 83%, 35%)
CMYK	cmyk(26.7%, 83.3%, 0%, 64.7%)
CIE-LAB	lab(16.69, 36.74, -33.50)
CIE-LCH	lch(16.69, 49.72, 317.63°)
OKLab	oklab(29.84% 0.0853 -0.0949)
OKLCH	oklch(29.84% 0.128 312)
XYZ	xyz(4.2627, 2.2382, 9.8783)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F5A #275A0F

analogous

#1C0F5A #420F5A #5A0F4C

triadic

#420F5A #5A420F #0F5A42

tetradic

#420F5A #5A1C0F #275A0F #0F4C5A

square

#420F5A #5A1C0F #275A0F #0F4C5A

split-complementary

#420F5A #4C5A0F #0F5A1C

monochromatic

#13041A #1C0626 #420F5A #68188E #8F20C3

Accessibility & contrast

On white

14.51

#420F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#420F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F5A

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F5A	#FFFFFF	#000000	##FFFFFF
##420F5A	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275C

Deuteranopia (green-blind)

#032A58

Tritanopia (blue-blind)

#3F2134

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #420f5a;
/* rgb */ color: rgb(66, 15, 90);
/* oklch */ color: oklch(29.8% 0.128 312.0);

Tailwind

colors: {
  custom: {
    50: '#7a5489',
    500: '#420f5a',
    950: '#000000',
  },
}

SCSS

$custom: #420f5a;
$custom-light: #7a5489;
$custom-dark: #000000;

JSON

{
  "hex": "#420f5a",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 90
  },
  "hsl": {
    "h": 280.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.29835,
    "c": 0.12759,
    "h": 312
  },
  "luminance": 0.02238
}

Semantic roles & 50–950 ramp

primary

#420F5A

secondary

#519431

accent

#EE3A73

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030B

muted

#7B787C

Preview Lab

Preview with #420F5A

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

Preview Lab → · Contrast checker → · Palette generator →