#566FD2 Color
#566FD2 is rgb(86, 111, 210) in RGB, hsl(228, 58%, 58%) in HSL, and about cmyk(59%, 47%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Han Blue (#446CCF), very hard to tell apart at ΔE 3.78. Black text is the more readable choice on this background.
#566FD2rgb(86, 111, 210)hsl(228, 58%, 58%)hsv(228, 59%, 82%)cmyk(59%, 47%, 0%, 18%)oklch(57.2% 0.154 270.3)lab(48.73% 13.99 -55.01)lch(48.73% 56.76 284.27)What #566FD2 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 #566FD2, 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.
#566FD2 Channel Values
How #566FD2 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 86 · G 111 · B 210 | 8-bit channels as sent to the display |
| HSL | H 228° · S 58% · L 58% | Easiest model for building lighter and darker variants |
| HSV | H 228° · S 59% · V 82% | Matches the picker in most design tools |
| CMYK | C 59% · M 47% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.57:1 vs white · 4.6:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #566FD2 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 #566FD2 in the contrast checker.
Colors That Go With #566FD2
Pairings derived from color-wheel relationships. The complementary color sits opposite #566FD2; 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 #566FD2
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 #566FD2.
How #566FD2 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.
#566FD2#6B6BD2#636DD2#6868D2#616BD2#318181#437AA8#767676Using #566FD2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-566fd2: #566FD2;background-color: #566FD2;colors: { 'color-566fd2': '#566FD2' }Color(red: 0.337, green: 0.435, blue: 0.824)<color name="color_566fd2">#566FD2</color>fill="#566FD2"More Blue Colors
#566FD2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#566FD2 Frequently Asked Questions
What color is #566FD2?
#566FD2 is a mid-tone blue — rgb(86, 111, 210) in RGB and hsl(228, 58%, 58%) in HSL. It carries no registered color name of its own; the closest named color is Han Blue (#446CCF), which is very hard to tell apart at a CIE76 distance of 3.78.
What is the RGB value of #566FD2?
#566FD2 is rgb(86, 111, 210) — red 86, green 111, and blue 210 on the 0-255 scale.
What is the CMYK value of #566FD2?
#566FD2 converts to approximately cmyk(59%, 47%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #566FD2 be black or white?
Black text is the more readable choice. #566FD2 scores 4.57:1 against white and 4.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #566FD2 as a CSS color keyword?
No. #566FD2 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 12.4, which is visibly different.
Open #566FD2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.