#400458 Color
#400458 is rgb(64, 4, 88) in RGB, hsl(283, 91%, 18%) in HSL, and about cmyk(27%, 95%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Petunia (#470659), very hard to tell apart at ΔE 2.89. White text is the more readable choice on this background.
#400458rgb(64, 4, 88)hsl(283, 91%, 18%)hsv(283, 95%, 35%)cmyk(27%, 95%, 0%, 65%)oklch(28.4% 0.136 312.7)lab(14.51% 36.81 -35.50)lch(14.51% 51.14 316.04)What #400458 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 #400458, 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.
#400458 Channel Values
How #400458 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 64 · G 4 · B 88 | 8-bit channels as sent to the display |
| HSL | H 283° · S 91% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 283° · S 95% · V 35% | Matches the picker in most design tools |
| CMYK | C 27% · M 95% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.26:1 vs white · 1.38:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #400458 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 #400458 in the contrast checker.
Colors That Go With #400458
Pairings derived from color-wheel relationships. The complementary color sits opposite #400458; 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 #400458
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 #400458.
How #400458 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.
#400458#191958#2D1358#242457#311B58#381F1F#3B173D#252525Using #400458 in Code
Copy-ready declarations for the places this color usually ends up.
--color-400458: #400458;background-color: #400458;colors: { 'color-400458': '#400458' }Color(red: 0.251, green: 0.016, blue: 0.345)<color name="color_400458">#400458</color>fill="#400458"More Purple Colors
#400458 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#400458 Frequently Asked Questions
What color is #400458?
#400458 is a darkest purple — rgb(64, 4, 88) in RGB and hsl(283, 91%, 18%) 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 2.89.
What is the RGB value of #400458?
#400458 is rgb(64, 4, 88) — red 64, green 4, and blue 88 on the 0-255 scale.
What is the CMYK value of #400458?
#400458 converts to approximately cmyk(27%, 95%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #400458 be black or white?
White text is the more readable choice. #400458 scores 15.26:1 against white and 1.38:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #400458 as a CSS color keyword?
No. #400458 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 18.86, which is visibly different.
Open #400458 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.