#3949C0 Color
#3949C0 is rgb(57, 73, 192) in RGB, hsl(233, 54%, 49%) in HSL, and about cmyk(70%, 62%, 0%, 25%) in CMYK. It has no registered color name of its own — the closest is Denim Blue (#2243B6), very hard to tell apart at ΔE 4.33. White text is the more readable choice on this background.
#3949C0rgb(57, 73, 192)hsl(233, 54%, 49%)hsv(233, 70%, 75%)cmyk(70%, 62%, 0%, 25%)oklch(46.9% 0.185 271.3)lab(35.76% 25.79 -65.68)lch(35.76% 70.56 291.44)What #3949C0 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 #3949C0, 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.
#3949C0 Channel Values
How #3949C0 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 57 · G 73 · B 192 | 8-bit channels as sent to the display |
| HSL | H 233° · S 54% · L 49% | Easiest model for building lighter and darker variants |
| HSV | H 233° · S 70% · V 75% | Matches the picker in most design tools |
| CMYK | C 70% · M 62% · Y 0% · K 25% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.27:1 vs white · 2.89:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #3949C0 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 #3949C0 in the contrast checker.
Colors That Go With #3949C0
Pairings derived from color-wheel relationships. The complementary color sits opposite #3949C0; 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 #3949C0
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 #3949C0.
How #3949C0 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.
#3949C0#4747C0#4248C0#4444C0#4046C0#006363#115A92#575757Using #3949C0 in Code
Copy-ready declarations for the places this color usually ends up.
--color-3949c0: #3949C0;background-color: #3949C0;colors: { 'color-3949c0': '#3949C0' }Color(red: 0.224, green: 0.286, blue: 0.753)<color name="color_3949c0">#3949C0</color>fill="#3949C0"More Blue Colors
#3949C0 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#3949C0 Frequently Asked Questions
What color is #3949C0?
#3949C0 is a mid-tone blue — rgb(57, 73, 192) in RGB and hsl(233, 54%, 49%) in HSL. It carries no registered color name of its own; the closest named color is Denim Blue (#2243B6), which is very hard to tell apart at a CIE76 distance of 4.33.
What is the RGB value of #3949C0?
#3949C0 is rgb(57, 73, 192) — red 57, green 73, and blue 192 on the 0-255 scale.
What is the CMYK value of #3949C0?
#3949C0 converts to approximately cmyk(70%, 62%, 0%, 25%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #3949C0 be black or white?
White text is the more readable choice. #3949C0 scores 7.27:1 against white and 2.89:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #3949C0 as a CSS color keyword?
No. #3949C0 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 11.88, which is visibly different.
Open #3949C0 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.