#405172 Color
#405172 is rgb(64, 81, 114) in RGB, hsl(220, 28%, 35%) in HSL, and about cmyk(44%, 29%, 0%, 55%) in CMYK. It has no registered color name of its own — the closest is Police Blue (#374F6B), very hard to tell apart at ΔE 4.21. White text is the more readable choice on this background.
#405172rgb(64, 81, 114)hsl(220, 28%, 35%)hsv(220, 44%, 45%)cmyk(44%, 29%, 0%, 55%)oklch(43.5% 0.059 263.2)lab(34.11% 0.38 -21.31)lch(34.11% 21.32 271.01)What #405172 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 #405172, 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.
#405172 Channel Values
How #405172 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 114 | 8-bit channels as sent to the display |
| HSL | H 220° · S 28% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 220° · S 44% · V 45% | Matches the picker in most design tools |
| CMYK | C 44% · M 29% · Y 0% · K 55% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.96:1 vs white · 2.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #405172 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 #405172 in the contrast checker.
Colors That Go With #405172
Pairings derived from color-wheel relationships. The complementary color sits opposite #405172; 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 #405172
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 #405172.
How #405172 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.
#405172#4E4E72#494F72#4C4C72#474E72#395656#3C5462#515151Using #405172 in Code
Copy-ready declarations for the places this color usually ends up.
--color-405172: #405172;background-color: #405172;colors: { 'color-405172': '#405172' }Color(red: 0.251, green: 0.318, blue: 0.447)<color name="color_405172">#405172</color>fill="#405172"More Blue Colors
#405172 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#405172 Frequently Asked Questions
What color is #405172?
#405172 is a dark blue — rgb(64, 81, 114) in RGB and hsl(220, 28%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Police Blue (#374F6B), which is very hard to tell apart at a CIE76 distance of 4.21.
What is the RGB value of #405172?
#405172 is rgb(64, 81, 114) — red 64, green 81, and blue 114 on the 0-255 scale.
What is the CMYK value of #405172?
#405172 converts to approximately cmyk(44%, 29%, 0%, 55%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #405172 be black or white?
White text is the more readable choice. #405172 scores 7.96:1 against white and 2.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #405172 as a CSS color keyword?
No. #405172 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 darkslategray (#2F4F4F) at a CIE76 distance of 21.69, which is visibly different.
Open #405172 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.