#133175 Hex Color

A deep blue with serious authority

Hex color #133175 graphic
#133175 is a dark, cool blue with low lightness and restrained brightness, giving it a serious, controlled feel. This hex code works well as a dominant background or brand base for finance, security, technology, and formal interfaces. Pair it with burgundy for warmth, while white text remains highly readable at about 12.2:1 contrast.

Questions about #133175

What is #133175 in RGB, HSL and CMYK?
In RGB, #133175 is rgb(19, 49, 117), in HSL hsl(222, 72%, 27%) and in CMYK 84%, 58%, 0%, 54%.
What colors pair well with #133175?
#133175 pairs well with white for crisp contrast, burgundy for a warmer formal palette, and soft cream for a gentler edge, while muted gray accents preserve its controlled character across brand and interface layouts.
Where does #133175 work best in a design?
Use #133175 as a dominant base in dark interfaces, corporate identity systems, security dashboards, finance layouts, and formal navigation, especially when white text must remain readable at small sizes for users. Its depth can feel heavy across large uninterrupted areas, so lighter supporting surfaces often add balance.
Is #133175 readable on white or black?
#133175 has a 12.18:1 contrast ratio on white and 1.72:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.