#516EE1 Color
#516EE1 is rgb(81, 110, 225) in RGB, hsl(228, 71%, 60%) in HSL, and about cmyk(64%, 51%, 0%, 12%) in CMYK. It has no registered color name of its own — the closest is Royal Blue (#4169E1), very hard to tell apart at ΔE 4.17. Black text is the more readable choice on this background.
#516EE1rgb(81, 110, 225)hsl(228, 71%, 60%)hsv(228, 64%, 88%)cmyk(64%, 51%, 0%, 12%)oklch(57.8% 0.178 269.5)lab(48.97% 17.70 -63.10)lch(48.97% 65.54 285.67)What #516EE1 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 #516EE1, 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.
#516EE1 Channel Values
How #516EE1 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 110 · B 225 | 8-bit channels as sent to the display |
| HSL | H 228° · S 71% · L 60% | Easiest model for building lighter and darker variants |
| HSV | H 228° · S 64% · V 88% | Matches the picker in most design tools |
| CMYK | C 64% · M 51% · Y 0% · K 12% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.5:1 vs white · 4.67:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #516EE1 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 #516EE1 in the contrast checker.
Colors That Go With #516EE1
Pairings derived from color-wheel relationships. The complementary color sits opposite #516EE1; 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 #516EE1
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 #516EE1.
How #516EE1 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.
#516EE1#6A6AE1#616BE1#6666E1#5E69E1#128484#367CB1#777777Using #516EE1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-516ee1: #516EE1;background-color: #516EE1;colors: { 'color-516ee1': '#516EE1' }Color(red: 0.318, green: 0.431, blue: 0.882)<color name="color_516ee1">#516EE1</color>fill="#516EE1"More Blue Colors
#516EE1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#516EE1 Frequently Asked Questions
What color is #516EE1?
#516EE1 is a light blue — rgb(81, 110, 225) in RGB and hsl(228, 71%, 60%) in HSL. It carries no registered color name of its own; the closest named color is Royal Blue (#4169E1), which is very hard to tell apart at a CIE76 distance of 4.17.
What is the RGB value of #516EE1?
#516EE1 is rgb(81, 110, 225) — red 81, green 110, and blue 225 on the 0-255 scale.
What is the CMYK value of #516EE1?
#516EE1 converts to approximately cmyk(64%, 51%, 0%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #516EE1 be black or white?
Black text is the more readable choice. #516EE1 scores 4.5:1 against white and 4.67:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #516EE1 as a CSS color keyword?
No. #516EE1 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 royalblue (#4169E1) at a CIE76 distance of 4.17, which is very hard to tell apart.
Open #516EE1 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.