#420056 Color
#420056 is rgb(66, 0, 86) in RGB, hsl(286, 100%, 17%) in HSL, and about cmyk(23%, 100%, 0%, 66%) in CMYK. It has no registered color name of its own — the closest is Petunia (#470659), very hard to tell apart at ΔE 2.3. White text is the more readable choice on this background.
#420056rgb(66, 0, 86)hsl(286, 100%, 17%)hsv(286, 100%, 34%)cmyk(23%, 100%, 0%, 66%)oklch(28.3% 0.139 315.7)lab(14.27% 38.29 -34.51)lch(14.27% 51.55 317.97)What #420056 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #420056, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every purple in the library.
#420056 Channel Values
How #420056 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 66 · G 0 · B 86 | 8-bit channels as sent to the display |
| HSL | H 286° · S 100% · L 17% | Easiest model for building lighter and darker variants |
| HSV | H 286° · S 100% · V 34% | Matches the picker in most design tools |
| CMYK | C 23% · M 100% · Y 0% · K 66% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.37:1 vs white · 1.37:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #420056 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #420056 in the contrast checker.
Colors That Go With #420056
Pairings derived from color-wheel relationships. The complementary color sits opposite #420056; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #420056
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #420056.
How #420056 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#420056#181856#2E1156#242455#331B56#3A1C1C#3D143B#252525Using #420056 in Code
Copy-ready declarations for the places this color usually ends up.
--color-420056: #420056;background-color: #420056;colors: { 'color-420056': '#420056' }Color(red: 0.259, green: 0.000, blue: 0.337)<color name="color_420056">#420056</color>fill="#420056"More Purple Colors
#420056 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#420056 Frequently Asked Questions
What color is #420056?
#420056 is a darkest purple — rgb(66, 0, 86) in RGB and hsl(286, 100%, 17%) in HSL. It carries no registered color name of its own; the closest named color is Petunia (#470659), which is very hard to tell apart at a CIE76 distance of 2.3.
What is the RGB value of #420056?
#420056 is rgb(66, 0, 86) — red 66, green 0, and blue 86 on the 0-255 scale.
What is the CMYK value of #420056?
#420056 converts to approximately cmyk(23%, 100%, 0%, 66%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #420056 be black or white?
White text is the more readable choice. #420056 scores 15.37:1 against white and 1.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #420056 as a CSS color keyword?
No. #420056 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is midnightblue (#191970) at a CIE76 distance of 20.52, which is visibly different.
Open #420056 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.