#4B66BE Color
#4B66BE is rgb(75, 102, 190) in RGB, hsl(226, 47%, 52%) in HSL, and about cmyk(61%, 46%, 0%, 25%) in CMYK. It has no registered color name of its own — the closest is Indigo (Crayola) (#4F69C6), very hard to tell apart at ΔE 3. White text is the more readable choice on this background.
#4B66BErgb(75, 102, 190)hsl(226, 47%, 52%)hsv(226, 61%, 75%)cmyk(61%, 46%, 0%, 25%)oklch(53.4% 0.141 268.5)lab(44.54% 11.24 -50.29)lch(44.54% 51.53 282.60)What #4B66BE 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 #4B66BE, 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.
#4B66BE Channel Values
How #4B66BE 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 75 · G 102 · B 190 | 8-bit channels as sent to the display |
| HSL | H 226° · S 47% · L 52% | Easiest model for building lighter and darker variants |
| HSV | H 226° · S 61% · V 75% | Matches the picker in most design tools |
| CMYK | C 61% · M 46% · Y 0% · K 25% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.33:1 vs white · 3.94:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4B66BE 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 #4B66BE in the contrast checker.
Colors That Go With #4B66BE
Pairings derived from color-wheel relationships. The complementary color sits opposite #4B66BE; 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 #4B66BE
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 #4B66BE.
How #4B66BE 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.
#4B66BE#6262BE#5A64BE#5E5EBE#5761BE#287676#397098#6B6B6BUsing #4B66BE in Code
Copy-ready declarations for the places this color usually ends up.
--color-4b66be: #4B66BE;background-color: #4B66BE;colors: { 'color-4b66be': '#4B66BE' }Color(red: 0.294, green: 0.400, blue: 0.745)<color name="color_4b66be">#4B66BE</color>fill="#4B66BE"More Blue Colors
#4B66BE sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#4B66BE Frequently Asked Questions
What color is #4B66BE?
#4B66BE is a mid-tone blue — rgb(75, 102, 190) in RGB and hsl(226, 47%, 52%) 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 3.
What is the RGB value of #4B66BE?
#4B66BE is rgb(75, 102, 190) — red 75, green 102, and blue 190 on the 0-255 scale.
What is the CMYK value of #4B66BE?
#4B66BE converts to approximately cmyk(61%, 46%, 0%, 25%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4B66BE be black or white?
White text is the more readable choice. #4B66BE scores 5.33:1 against white and 3.94:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4B66BE as a CSS color keyword?
No. #4B66BE 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 17.77, which is visibly different.
Open #4B66BE in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.