#420D5B#420D5B

#420D5B is a dark, vivid purple. Relative luminance 0.022; OKLCH L 29.7% C 0.131 H 311.7°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#420D5B
RGB	rgb(66, 13, 91)
HSL	hsl(281, 75%, 20%)
HSV	hsv(281, 86%, 36%)
CMYK	cmyk(27.5%, 85.7%, 0%, 64.3%)
CIE-LAB	lab(16.51, 37.73, -34.47)
CIE-LCH	lch(16.51, 51.11, 317.59°)
OKLab	oklab(29.74% 0.0869 -0.0977)
OKLCH	oklch(29.74% 0.131 311.7)
XYZ	xyz(4.2787, 2.2015, 10.0951)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420D5B #265B0D

analogous

#1B0D5B #420D5B #5B0D4D

triadic

#420D5B #5B420D #0D5B42

tetradic

#420D5B #5B1B0D #265B0D #0D4D5B

square

#420D5B #5B1B0D #265B0D #0D4D5B

split-complementary

#420D5B #4D5B0D #0D5B1B

monochromatic

#13041B #1B0525 #420D5B #691591 #901CC6

Accessibility & contrast

On white

14.58

#420D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#420D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420D5B

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420D5B	#FFFFFF	#000000	##FFFFFF
##420D5B	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#002A59

Tritanopia (blue-blind)

#3F2134

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #420d5b;
/* rgb */ color: rgb(66, 13, 91);
/* oklch */ color: oklch(29.7% 0.131 311.7);

Tailwind

colors: {
  custom: {
    50: '#7a538a',
    500: '#420d5b',
    950: '#000000',
  },
}

SCSS

$custom: #420d5b;
$custom-light: #7a538a;
$custom-dark: #000000;

JSON

{
  "hex": "#420d5b",
  "rgb": {
    "r": 66,
    "g": 13,
    "b": 91
  },
  "hsl": {
    "h": 280.769,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29735,
    "c": 0.13075,
    "h": 311.7
  },
  "luminance": 0.02201
}

Semantic roles & 50–950 ramp

primary

#420D5B

secondary

#4F952F

accent

#F23672

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A030C

muted

#7C787D

Preview Lab

Preview with #420D5B

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

Preview Lab → · Contrast checker → · Palette generator →