#420458 Color
#420458 is rgb(66, 4, 88) in RGB, hsl(284, 91%, 18%) in HSL, and about cmyk(25%, 95%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Petunia (#470659), below the threshold most people can see at ΔE 2.04. White text is the more readable choice on this background.
#420458rgb(66, 4, 88)hsl(284, 91%, 18%)hsv(284, 95%, 35%)cmyk(25%, 95%, 0%, 65%)oklch(28.8% 0.136 314.2)lab(14.90% 37.22 -34.83)lch(14.90% 50.98 316.90)What #420458 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 #420458, 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.
#420458 Channel Values
How #420458 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 4 · B 88 | 8-bit channels as sent to the display |
| HSL | H 284° · S 91% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 284° · S 95% · V 35% | Matches the picker in most design tools |
| CMYK | C 25% · M 95% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.11:1 vs white · 1.39:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #420458 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 #420458 in the contrast checker.
Colors That Go With #420458
Pairings derived from color-wheel relationships. The complementary color sits opposite #420458; 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 #420458
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 #420458.
How #420458 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.
#420458#1A1A58#2F1358#252557#331C58#3A1F1F#3D173D#262626Using #420458 in Code
Copy-ready declarations for the places this color usually ends up.
--color-420458: #420458;background-color: #420458;colors: { 'color-420458': '#420458' }Color(red: 0.259, green: 0.016, blue: 0.345)<color name="color_420458">#420458</color>fill="#420458"More Purple Colors
#420458 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#420458 Frequently Asked Questions
What color is #420458?
#420458 is a darkest purple — rgb(66, 4, 88) in RGB and hsl(284, 91%, 18%) in HSL. It carries no registered color name of its own; the closest named color is Petunia (#470659), which is below the threshold most people can see at a CIE76 distance of 2.04.
What is the RGB value of #420458?
#420458 is rgb(66, 4, 88) — red 66, green 4, and blue 88 on the 0-255 scale.
What is the CMYK value of #420458?
#420458 converts to approximately cmyk(25%, 95%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #420458 be black or white?
White text is the more readable choice. #420458 scores 15.11:1 against white and 1.39:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #420458 as a CSS color keyword?
No. #420458 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 19.63, which is visibly different.
Open #420458 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.