#5666C2 Color
#5666C2 is rgb(86, 102, 194) in RGB, hsl(231, 47%, 55%) in HSL, and about cmyk(56%, 47%, 0%, 24%) in CMYK. It has no registered color name of its own — the closest is Indigo (Crayola) (#4F69C6), very hard to tell apart at ΔE 2.75. White text is the more readable choice on this background.
#5666C2rgb(86, 102, 194)hsl(231, 47%, 55%)hsv(231, 56%, 76%)cmyk(56%, 47%, 0%, 24%)oklch(54.4% 0.143 273.3)lab(45.45% 14.91 -51.09)lch(45.45% 53.22 286.27)What #5666C2 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 #5666C2, 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.
#5666C2 Channel Values
How #5666C2 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 102 · B 194 | 8-bit channels as sent to the display |
| HSL | H 231° · S 47% · L 55% | Easiest model for building lighter and darker variants |
| HSV | H 231° · S 56% · V 76% | Matches the picker in most design tools |
| CMYK | C 56% · M 47% · Y 0% · K 24% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.15:1 vs white · 4.08:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5666C2 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 #5666C2 in the contrast checker.
Colors That Go With #5666C2
Pairings derived from color-wheel relationships. The complementary color sits opposite #5666C2; 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 #5666C2
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 #5666C2.
How #5666C2 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.
#5666C2#6363C2#5E65C2#6161C2#5D63C2#397777#46719B#6D6D6DUsing #5666C2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5666c2: #5666C2;background-color: #5666C2;colors: { 'color-5666c2': '#5666C2' }Color(red: 0.337, green: 0.400, blue: 0.761)<color name="color_5666c2">#5666C2</color>fill="#5666C2"More Blue Colors
#5666C2 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#5666C2 Frequently Asked Questions
What color is #5666C2?
#5666C2 is a mid-tone blue — rgb(86, 102, 194) in RGB and hsl(231, 47%, 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 2.75.
What is the RGB value of #5666C2?
#5666C2 is rgb(86, 102, 194) — red 86, green 102, and blue 194 on the 0-255 scale.
What is the CMYK value of #5666C2?
#5666C2 converts to approximately cmyk(56%, 47%, 0%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5666C2 be black or white?
White text is the more readable choice. #5666C2 scores 5.15:1 against white and 4.08:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5666C2 as a CSS color keyword?
No. #5666C2 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 15.89, which is visibly different.
Open #5666C2 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.