#516EC8 Color
#516EC8 is rgb(81, 110, 200) in RGB, hsl(225, 52%, 55%) in HSL, and about cmyk(60%, 45%, 0%, 22%) in CMYK. It has no registered color name of its own — the closest is Indigo (Crayola) (#4F69C6), very hard to tell apart at ΔE 2.88. White text is the more readable choice on this background.
#516EC8rgb(81, 110, 200)hsl(225, 52%, 55%)hsv(225, 60%, 78%)cmyk(60%, 45%, 0%, 22%)oklch(56.1% 0.143 268.1)lab(47.64% 10.70 -51.07)lch(47.64% 52.18 281.83)What #516EC8 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 #516EC8, 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.
#516EC8 Channel Values
How #516EC8 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 200 | 8-bit channels as sent to the display |
| HSL | H 225° · S 52% · L 55% | Easiest model for building lighter and darker variants |
| HSV | H 225° · S 60% · V 78% | Matches the picker in most design tools |
| CMYK | C 60% · M 45% · Y 0% · K 22% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.76:1 vs white · 4.41:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #516EC8 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 #516EC8 in the contrast checker.
Colors That Go With #516EC8
Pairings derived from color-wheel relationships. The complementary color sits opposite #516EC8; 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 #516EC8
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 #516EC8.
How #516EC8 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.
#516EC8#6A6AC8#616BC8#6666C8#5E69C8#2F7E7E#3F78A1#737373Using #516EC8 in Code
Copy-ready declarations for the places this color usually ends up.
--color-516ec8: #516EC8;background-color: #516EC8;colors: { 'color-516ec8': '#516EC8' }Color(red: 0.318, green: 0.431, blue: 0.784)<color name="color_516ec8">#516EC8</color>fill="#516EC8"More Blue Colors
#516EC8 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#516EC8 Frequently Asked Questions
What color is #516EC8?
#516EC8 is a mid-tone blue — rgb(81, 110, 200) in RGB and hsl(225, 52%, 55%) in HSL. It carries no registered color name of its own; the closest named color is Indigo (Crayola) (#4F69C6), which is very hard to tell apart at a CIE76 distance of 2.88.
What is the RGB value of #516EC8?
#516EC8 is rgb(81, 110, 200) — red 81, green 110, and blue 200 on the 0-255 scale.
What is the CMYK value of #516EC8?
#516EC8 converts to approximately cmyk(60%, 45%, 0%, 22%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #516EC8 be black or white?
White text is the more readable choice. #516EC8 scores 4.76:1 against white and 4.41:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #516EC8 as a CSS color keyword?
No. #516EC8 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 cornflowerblue (#6495ED) at a CIE76 distance of 15.63, which is visibly different.
Open #516EC8 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.