HEX Color Code #391EA0

Defined by its deep blue character, #391EA0 offers the kind of dependable color foundation that production interfaces need. Below you will find its complete breakdown — RGB, HSL, CMYK — along with design guidance and accessibility notes.

What Color Is #391EA0?

#391EA0 translates to RGB(57, 30, 160), producing a deep blue that balances its channels evenly. The overall perceived brightness of 53/255 means it registers as a darker tone that anchors visual hierarchy.

Color Meaning of #391EA0

In color psychology, blue hues evoke serenity, intelligence, and authority. The deep quality of #391EA0 adds a layer of sophistication and seriousness, making it effective for brands that want to combine blue emotional resonance with refined aesthetics.

Where to Use HEX Code #391EA0

Brand identity systems — deep blue works as a primary or secondary swatch in logo lockups

Card hover states and focus rings that provide clear visual feedback without overwhelming the layout

Dashboard headers and KPI tiles where blue tones lend a professional, data-forward aesthetic

Marketing landing pages targeting audiences who respond to blue color psychology

Mobile app tab bars and status indicators that must remain legible across varying ambient lighting

Print collateral converted via CMYK — this shade holds well in four-color process printing

Similar HEX Color Codes

#2A2D91

#523787

#5C41C3

Complementary blue tone for palette coordination

#0C00CD

Nearby color value offering slightly different brightness

#700069

#005FE1

Adjacent shade useful for gradient transitions

#000055

Comparable blue alternative with distinct character

HEX Code #391EA0 in Design Systems

Modern design systems would assign #391EA0 a semantic token like --brand-blue-base and generate a tonal scale around it. Use HSL to create lighter tints (increase L by 10-15% for hover backgrounds) and darker shades (decrease L by 10-15% for pressed states), keeping H and S constant.

For contrast: white text on this background meets WCAG AA comfortably. For AAA compliance, verify the specific ratio — aim above 7:1 for body text. Avoid using this shade for thin text on medium-toned backgrounds.

FAQ About HEX Color Code #391EA0

What color is #391EA0?

This HEX code renders as a deep blue shade on screen. Its RGB components (57, 30, 160) create a blue-dominant appearance with deep depth.

Is #391EA0 a dark or light color?

Dark. The weighted luminance formula (0.299R + 0.587G + 0.114B) gives #391EA0 a score of 53/255, placing it below the midpoint. This classification affects which text colors achieve adequate contrast.

What colors go well with #391EA0?

#391EA0 pairs well with contrasting colors opposite it on the color wheel (≈72°) for dynamic compositions. For cohesive, calm palettes, combine it with neighboring hues at ±30° and tinted neutrals in the same blue family.

Can I use #391EA0 for branding?

Yes. #391EA0 works as a brand color when blue-family associations — trust, reliability, and professionalism — align with your positioning. Define it formally in your brand guidelines with permitted tints, shades, and pairing rules for consistent application.

How do I convert #391EA0 to other color formats?

The full conversion: RGB(57, 30, 160), HSL(252°, 68%, 37%). CMYK values depend on the print profile but approximate C:78% M:88% Y:37% K:0%. Our converter tools handle all formats instantly.