#420C51#420C51

#420C51 is a dark, vivid purple. Relative luminance 0.020; OKLCH L 28.8% C 0.122 H 317.5°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#420C51
RGB	rgb(66, 12, 81)
HSL	hsl(287, 74%, 18%)
HSV	hsv(287, 85%, 32%)
CMYK	cmyk(18.5%, 85.2%, 0%, 68.2%)
CIE-LAB	lab(15.57, 35.84, -29.23)
CIE-LCH	lch(15.57, 46.25, 320.80°)
OKLab	oklab(28.82% 0.0899 -0.0823)
OKLCH	oklch(28.82% 0.122 317.5)
XYZ	xyz(3.8632, 2.0154, 7.9685)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C51 #1B510C

analogous

#1F0C51 #420C51 #510C3D

triadic

#420C51 #51420C #0C5142

tetradic

#420C51 #511F0C #1B510C #0C3D51

square

#420C51 #511F0C #1B510C #0C3D51

split-complementary

#420C51 #3D510C #0C511F

monochromatic

#16041B #17041C #420C51 #6D1486 #991CBC

Accessibility & contrast

On white

14.97

#420C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#420C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C51

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C51	#FFFFFF	#000000	##FFFFFF
##420C51	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002453

Deuteranopia (green-blind)

#0E2850

Tritanopia (blue-blind)

#411C2E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #420c51;
/* rgb */ color: rgb(66, 12, 81);
/* oklch */ color: oklch(28.8% 0.122 317.5);

Tailwind

colors: {
  custom: {
    50: '#795282',
    500: '#420c51',
    950: '#000000',
  },
}

SCSS

$custom: #420c51;
$custom-light: #795282;
$custom-dark: #000000;

JSON

{
  "hex": "#420c51",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 81
  },
  "hsl": {
    "h": 286.957,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28815,
    "c": 0.12191,
    "h": 317.5
  },
  "luminance": 0.02015
}

Semantic roles & 50–950 ramp

primary

#420C51

secondary

#418C2C

accent

#F1375F

background

#F7F4F8

surface

#EEE7EF

border

#C9C3CA

text

#09030A

muted

#7B787C

Preview Lab

Preview with #420C51

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

Preview Lab → · Contrast checker → · Palette generator →