#4B3BB5 Color
#4B3BB5 is rgb(75, 59, 181) in RGB, hsl(248, 51%, 47%) in HSL, and about cmyk(59%, 67%, 0%, 29%) in CMYK. It has no registered color name of its own — the closest is Iris (#5A4FCF), clearly related but distinguishable side by side at ΔE 8.28. White text is the more readable choice on this background.
#4B3BB5rgb(75, 59, 181)hsl(248, 51%, 47%)hsv(248, 67%, 71%)cmyk(59%, 67%, 0%, 29%)oklch(44.8% 0.184 282)lab(32.92% 34.26 -63.77)lch(32.92% 72.39 298.25)What #4B3BB5 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 #4B3BB5, 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.
#4B3BB5 Channel Values
How #4B3BB5 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 59 · B 181 | 8-bit channels as sent to the display |
| HSL | H 248° · S 51% · L 47% | Easiest model for building lighter and darker variants |
| HSV | H 248° · S 67% · V 71% | Matches the picker in most design tools |
| CMYK | C 59% · M 67% · Y 0% · K 29% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.1:1 vs white · 2.59:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4B3BB5 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 #4B3BB5 in the contrast checker.
Colors That Go With #4B3BB5
Pairings derived from color-wheel relationships. The complementary color sits opposite #4B3BB5; 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 #4B3BB5
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 #4B3BB5.
How #4B3BB5 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.
#4B3BB5#3E3EB5#443DB5#4141B5#453FB5#235858#374E87#505050Using #4B3BB5 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4b3bb5: #4B3BB5;background-color: #4B3BB5;colors: { 'color-4b3bb5': '#4B3BB5' }Color(red: 0.294, green: 0.231, blue: 0.710)<color name="color_4b3bb5">#4B3BB5</color>fill="#4B3BB5"More Blue Colors
#4B3BB5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#4B3BB5 Frequently Asked Questions
What color is #4B3BB5?
#4B3BB5 is a mid-tone blue — rgb(75, 59, 181) in RGB and hsl(248, 51%, 47%) in HSL. It carries no registered color name of its own; the closest named color is Iris (#5A4FCF), which is clearly related but distinguishable side by side at a CIE76 distance of 8.28.
What is the RGB value of #4B3BB5?
#4B3BB5 is rgb(75, 59, 181) — red 75, green 59, and blue 181 on the 0-255 scale.
What is the CMYK value of #4B3BB5?
#4B3BB5 converts to approximately cmyk(59%, 67%, 0%, 29%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4B3BB5 be black or white?
White text is the more readable choice. #4B3BB5 scores 8.1:1 against white and 2.59:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4B3BB5 as a CSS color keyword?
No. #4B3BB5 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 slateblue (#6A5ACD) at a CIE76 distance of 13.51, which is visibly different.
Open #4B3BB5 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.