#405191 Color
#405191 is rgb(64, 81, 145) in RGB, hsl(227, 39%, 41%) in HSL, and about cmyk(56%, 44%, 0%, 43%) in CMYK. It has no registered color name of its own — the closest is Yinmn Blue (#2E5090), very hard to tell apart at ΔE 4.52. White text is the more readable choice on this background.
#405191rgb(64, 81, 145)hsl(227, 39%, 41%)hsv(227, 56%, 57%)cmyk(56%, 44%, 0%, 43%)oklch(45.3% 0.107 270.5)lab(35.51% 8.54 -38.12)lch(35.51% 39.06 282.64)What #405191 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 #405191, 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 blue in the library.
#405191 Channel Values
How #405191 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 81 · B 145 | 8-bit channels as sent to the display |
| HSL | H 227° · S 39% · L 41% | Easiest model for building lighter and darker variants |
| HSV | H 227° · S 56% · V 57% | Matches the picker in most design tools |
| CMYK | C 56% · M 44% · Y 0% · K 43% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.49:1 vs white · 2.8:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #405191 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 #405191 in the contrast checker.
Colors That Go With #405191
Pairings derived from color-wheel relationships. The complementary color sits opposite #405191; 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 #405191
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 #405191.
How #405191 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.
#405191#4E4E91#494F91#4C4C91#474E91#2C5C5C#355875#555555Using #405191 in Code
Copy-ready declarations for the places this color usually ends up.
--color-405191: #405191;background-color: #405191;colors: { 'color-405191': '#405191' }Color(red: 0.251, green: 0.318, blue: 0.569)<color name="color_405191">#405191</color>fill="#405191"More Blue Colors
#405191 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#405191 Frequently Asked Questions
What color is #405191?
#405191 is a mid-tone blue — rgb(64, 81, 145) in RGB and hsl(227, 39%, 41%) in HSL. It carries no registered color name of its own; the closest named color is Yinmn Blue (#2E5090), which is very hard to tell apart at a CIE76 distance of 4.52.
What is the RGB value of #405191?
#405191 is rgb(64, 81, 145) — red 64, green 81, and blue 145 on the 0-255 scale.
What is the CMYK value of #405191?
#405191 converts to approximately cmyk(56%, 44%, 0%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #405191 be black or white?
White text is the more readable choice. #405191 scores 7.49:1 against white and 2.8:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #405191 as a CSS color keyword?
No. #405191 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 darkslateblue (#483D8B) at a CIE76 distance of 14.64, which is visibly different.
Open #405191 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.