HEX Color Code #1B5D7A

Working with cyan tones? #1B5D7A sits in the dark range, bringing depth and consistency to UI kits, brand systems, and data visualizations. Explore its full technical profile and curated companion colors.

What Color Is #1B5D7A?

Visually, #1B5D7A presents as a dark cyan with moderate saturation that adapts to many contexts. In the HSL model, its coordinates are (198°, 64%, 29%) — revealing a hue squarely in the cyan zone with dark depth.

Color Meaning of #1B5D7A

#1B5D7A carries the psychological weight of the cyan color family — commonly linked to clarity, openness, and modernity. At dark depth, it strikes a balance that works across cultural contexts, from corporate branding to creative portfolio design.

Where to Use HEX Code #1B5D7A

Section dividers and decorative borders that add rhythm without visual clutter

Progress bars and step indicators where dark cyan signals completion and advancement

Tooltip and popover backgrounds that need contrast against both light and dark parent surfaces

Form field validation accents — pairing #1B5D7A with semantic colors creates clear feedback hierarchies

Pull-quote backgrounds and callout boxes that draw the eye to important editorial content

Social media graphics and OG images where consistent cyan branding drives recognition

Similar HEX Color Codes

#0C4E6B

#024461

#3E8057

Complementary green tone for palette coordination

#008A4D

Nearby color value offering slightly different brightness

#009443

#001C39

Adjacent shade useful for gradient transitions

#6612C5

Comparable purple alternative with distinct character

HEX Code #1B5D7A in Design Systems

When integrating #1B5D7A into component libraries, create at minimum: a base token, a hover variant (mixed with 10% black), an active variant (mixed with 20% black), and a disabled variant (mixed with 50% white at 60% opacity). CSS color-mix() makes this straightforward without hardcoding every variant.

Brightness check: at 77/255, this value serves best as a background for white UI text, icon labels, and button copy. Test on both sRGB monitors and mobile OLED panels where dark colors can appear more saturated.

FAQ About HEX Color Code #1B5D7A

What color is #1B5D7A?

#1B5D7A is a dark cyan color. In RGB terms, it combines 27 red, 93 green, and 122 blue — producing a tone that sits at 29% lightness in the HSL model.

Is #1B5D7A a dark or light color?

With a perceived brightness of 77 on a 0-255 scale, #1B5D7A is a dark color that requires light-colored text or elements placed on top of it. Use WCAG contrast tools to verify specific pairings.

What colors go well with #1B5D7A?

For maximum impact, pair #1B5D7A with its complementary color (around 18° on the wheel). For softer harmony, try analogous hues at 228° and 168°. Neutrals tinted with cyan undertones complete the palette.

Can I use #1B5D7A for branding?

Absolutely — #1B5D7A is well-suited for branding when cyan aligns with your brand values. Its depth conveys authority and premium positioning. Test it across digital screens, print materials, and merchandise to ensure CMYK translation preserves the intended cyan feeling.

How do I convert #1B5D7A to other color formats?

#1B5D7A converts to RGB(27, 93, 122) and HSL(198°, 64%, 29%). For print, calculate CMYK values relative to your printer profile. Use our HEX to RGB converter for instant conversions between any color format.