Rich Black

Rich Black is a profoundly deep shade of teal, sitting on the cusp between black and the coolest tones of cyan and green.

Its character comes from these strong blue-green undertones, giving it a sophisticated and cool appearance that standard black lacks.

Rich Black communicates profound sophistication and authority. Psychologically, it represents power, elegance, and mystery, making it a choice for brands projecting confidence and prestige.

The color carries the symbolic weight of formality and the allure of the unknown. It suggests substance and a serious intent, feeling both classic and modern in its character.

To apply Rich Black effectively in your designs, use it to establish a sophisticated and stable foundation. The deep teal of #004040 pairs exceptionally well with crisp, light neutrals for high-contrast text and backgrounds, creating a clean look with excellent readability. For a more vibrant combination, introduce accents of warm terracotta or soft peach to create a focal point without overwhelming the composition.

While not as common as primary blue or neutral gray, Rich Black and its variants are favored by several notable brands. Companies like Sprout Social, Workable, and Zendesk employ similar deep, blue-green tones to communicate professionalism and reliability. This choice suggests that #004040 is particularly effective for products that want to project a sense of calm authority and intelligence.

Use the tools below to see Rich Black in action. You can explore curated palettes, test your color combinations for accessibility compliance, and preview how #004040 appears in the actual interfaces of leading applications.

When designing for digital media, using a Rich Black like #004040 can add perceptible depth that a standard #000000 might lack. This subtle infusion of color prevents the black from appearing flat on screen, giving it a more substantial presence in your interface.

The hexadecimal code is standard for web development, but you will need to convert it for other uses. RGB (Red, Green, Blue) is also for screens, while CMYK (Cyan, Magenta, Yellow, Key/Black) is essential for print work. Models like HSL (Hue, Saturation, Lightness) are useful for programmatically adjusting colors or creating variations.

To help you apply Rich Black across any medium, we’ve prepared the conversions for #004040 into all major color systems below. Simply copy the values you need for RGB, CMYK, HSL, and more.