#5173A4 Color
#5173A4 is rgb(81, 115, 164) in RGB, hsl(215, 34%, 48%) in HSL, and about cmyk(51%, 30%, 0%, 36%) in CMYK. It has no registered color name of its own — the closest is Blue Yonder (#5072A7), very hard to tell apart at ΔE 2.37. White text is the more readable choice on this background.
#5173A4rgb(81, 115, 164)hsl(215, 34%, 48%)hsv(215, 51%, 64%)cmyk(51%, 30%, 0%, 36%)oklch(55.1% 0.086 257.5)lab(47.46% -1.65 -30.57)lch(47.46% 30.61 266.91)What #5173A4 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 #5173A4, 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.
#5173A4 Channel Values
How #5173A4 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 81 · G 115 · B 164 | 8-bit channels as sent to the display |
| HSL | H 215° · S 34% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 215° · S 51% · V 64% | Matches the picker in most design tools |
| CMYK | C 51% · M 30% · Y 0% · K 36% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.84:1 vs white · 4.34:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5173A4 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 #5173A4 in the contrast checker.
Colors That Go With #5173A4
Pairings derived from color-wheel relationships. The complementary color sits opposite #5173A4; 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 #5173A4
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 #5173A4.
How #5173A4 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.
#5173A4#6E6EA4#6470A4#6969A4#606DA4#437B7B#49788D#727272Using #5173A4 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5173a4: #5173A4;background-color: #5173A4;colors: { 'color-5173a4': '#5173A4' }Color(red: 0.318, green: 0.451, blue: 0.643)<color name="color_5173a4">#5173A4</color>fill="#5173A4"More Blue Colors
#5173A4 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#5173A4 Frequently Asked Questions
What color is #5173A4?
#5173A4 is a mid-tone blue — rgb(81, 115, 164) in RGB and hsl(215, 34%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Blue Yonder (#5072A7), which is very hard to tell apart at a CIE76 distance of 2.37.
What is the RGB value of #5173A4?
#5173A4 is rgb(81, 115, 164) — red 81, green 115, and blue 164 on the 0-255 scale.
What is the CMYK value of #5173A4?
#5173A4 converts to approximately cmyk(51%, 30%, 0%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5173A4 be black or white?
White text is the more readable choice. #5173A4 scores 4.84:1 against white and 4.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5173A4 as a CSS color keyword?
No. #5173A4 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 steelblue (#4682B4) at a CIE76 distance of 8.41, which is clearly related but distinguishable side by side.
Open #5173A4 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.