HEX Color Code #0866DE

Defined by its deep blue character, #0866DE 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 #0866DE?

#0866DE translates to RGB(8, 102, 222), producing a deep blue that leans toward the cooler spectrum. The overall perceived brightness of 88/255 means it registers as a darker tone that anchors visual hierarchy.

Color Meaning of #0866DE

In color psychology, blue hues evoke serenity, intelligence, and authority. The deep quality of #0866DE 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 #0866DE

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

#1775ED

#217FC5

#0043FF

Complementary teal tone for palette coordination

#3593FF

Nearby color value offering slightly different brightness

#009DFF

#0025FF

Adjacent shade useful for gradient transitions

#531BFF

Comparable purple alternative with distinct character

HEX Code #0866DE in Design Systems

Modern design systems would assign #0866DE 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 #0866DE

What color is #0866DE?

This HEX code renders as a deep blue shade on screen. Its RGB components (8, 102, 222) create a blue-dominant appearance with deep depth.

Is #0866DE a dark or light color?

Dark. The weighted luminance formula (0.299R + 0.587G + 0.114B) gives #0866DE a score of 88/255, placing it below the midpoint. This classification affects which text colors achieve adequate contrast.

What colors go well with #0866DE?

#0866DE pairs well with contrasting colors opposite it on the color wheel (≈34°) 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 #0866DE for branding?

Yes. #0866DE 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 #0866DE to other color formats?

The full conversion: RGB(8, 102, 222), HSL(214°, 93%, 45%). CMYK values depend on the print profile but approximate C:97% M:60% Y:13% K:0%. Our converter tools handle all formats instantly.