HEX Color Code #3C4E65

The dark blue hue #3C4E65 delivers confident visual weight across interfaces. Its balanced RGB and HSL values make it ideal for building cohesive blue-themed web palettes.

What Color Is #3C4E65?

At 214° on the hue wheel, #3C4E65 lands firmly in the blue family. Its 25% saturation gives it a muted, understated quality, while 32% lightness positions it as a dark variant — well-suited for dark-mode surfaces and high-contrast elements.

Color Meaning of #3C4E65

Colors in the blue family are associated with trust, reliability, and professionalism. As a dark variant, #3C4E65 amplifies those associations with depth and gravity, lending authority to any composition.

Where to Use HEX Code #3C4E65

Hero sections and full-width banners where dark blue tones anchor the page hierarchy

CTA buttons and interactive elements — the dark depth ensures visibility against light backgrounds

Navigation bars and sidebar accents that need to feel grounded and persistent

Data visualization charts where this blue shade differentiates data series coherently

Icon fills and badge backgrounds that require consistent recognition across screen sizes

Email template accents where rendering fidelity across mail clients matters

Similar HEX Color Codes

#2D3F74

#55674C

#5F2B88

Complementary purple tone for palette coordination

#692138

Nearby color value offering slightly different brightness

#73172E

#000DA6

Adjacent shade useful for gradient transitions

#8703B0

Comparable purple alternative with distinct character

HEX Code #3C4E65 in Design Systems

To implement #3C4E65 effectively in a design system, define it as a CSS custom property: :root { --color-blue-dark: #3C4E65; }. This single definition propagates to every component referencing the token, and a palette update requires changing just one line.

Accessibility testing is essential. With a perceived brightness of 75/255, this shade requires white or light text for adequate WCAG contrast — aim for 4.5:1 minimum on body text. Use it as a background or accent rather than text on dark surfaces.

FAQ About HEX Color Code #3C4E65

What color is #3C4E65?

#3C4E65 produces a dark blue tone. The RGB breakdown (60, 78, 101) shows how the three light channels combine to create this specific blue hue at 214° on the color wheel.

Is #3C4E65 a dark or light color?

#3C4E65 registers as a dark color at 75/255 perceived brightness. In practical terms, white (#FFFFFF) or very light text will provide the best readability.

What colors go well with #3C4E65?

Complementary pairing (≈34° hue) creates energetic contrast with #3C4E65. Split-complementary (±150°) adds variety with less tension. Monochromatic schemes — lighter and darker blue shades — are the safest harmonious option.

Can I use #3C4E65 for branding?

#3C4E65 can serve as a primary or secondary brand color. Before committing, verify it renders well in both RGB (screens) and CMYK (print), test it against competitor palettes for differentiation, and confirm it meets WCAG contrast requirements in all planned applications.

How do I convert #3C4E65 to other color formats?

Convert #3C4E65 to RGB(60, 78, 101) by splitting the hex into three pairs and converting each from base-16 to base-10. HSL(214°, 25%, 32%) is derived from the RGB values using the standard algorithm. Visit our HEX to HSL converter for additional formats.