#4166C3 Color
#4166C3 is rgb(65, 102, 195) in RGB, hsl(223, 52%, 51%) in HSL, and about cmyk(67%, 48%, 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 2.94. White text is the more readable choice on this background.
#4166C3rgb(65, 102, 195)hsl(223, 52%, 51%)hsv(223, 67%, 76%)cmyk(67%, 48%, 0%, 24%)oklch(53.2% 0.151 265.3)lab(44.25% 10.59 -53.68)lch(44.25% 54.71 281.16)What #4166C3 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 #4166C3, 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.
#4166C3 Channel Values
How #4166C3 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 65 · G 102 · B 195 | 8-bit channels as sent to the display |
| HSL | H 223° · S 52% · L 51% | Easiest model for building lighter and darker variants |
| HSV | H 223° · S 67% · V 76% | Matches the picker in most design tools |
| CMYK | C 67% · M 48% · Y 0% · K 24% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.37:1 vs white · 3.91:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4166C3 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 #4166C3 in the contrast checker.
Colors That Go With #4166C3
Pairings derived from color-wheel relationships. The complementary color sits opposite #4166C3; 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 #4166C3
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 #4166C3.
How #4166C3 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.
#4166C3#6161C3#5663C3#5C5CC3#5260C3#017777#28719B#6B6B6BUsing #4166C3 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4166c3: #4166C3;background-color: #4166C3;colors: { 'color-4166c3': '#4166C3' }Color(red: 0.255, green: 0.400, blue: 0.765)<color name="color_4166c3">#4166C3</color>fill="#4166C3"More Blue Colors
#4166C3 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#4166C3 Frequently Asked Questions
What color is #4166C3?
#4166C3 is a mid-tone blue — rgb(65, 102, 195) in RGB and hsl(223, 52%, 51%) 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 2.94.
What is the RGB value of #4166C3?
#4166C3 is rgb(65, 102, 195) — red 65, green 102, and blue 195 on the 0-255 scale.
What is the CMYK value of #4166C3?
#4166C3 converts to approximately cmyk(67%, 48%, 0%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4166C3 be black or white?
White text is the more readable choice. #4166C3 scores 5.37:1 against white and 3.91:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4166C3 as a CSS color keyword?
No. #4166C3 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 15.06, which is visibly different.
Open #4166C3 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.