#001B6B Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
#001b6b is a dark, cool navy with high saturation and very low lightness, giving it a serious, controlled presence. The hex code works well as a dominant background for finance, security, technology, and formal branding. White text reaches about 15.3:1 contrast here, making small body text readable, while burgundy accents add warmth without weakening its authority.
Questions about #001b6b
What is #001b6b in RGB, HSL and CMYK?
In RGB, #001b6b is rgb(0, 27, 107), in HSL hsl(225, 100%, 21%) and in CMYK 100%, 75%, 0%, 58%.
Does #001b6b read as a warm or cool color?
#001b6b reads as distinctly cool because its saturated blue hue and very low lightness create a crisp, shadowed appearance. It feels more formal and controlled than soft or welcoming, especially beside warm neutrals.
What colors pair well with #001b6b?
#001b6b pairs well with white, cool gray, pale blue, and burgundy, which introduces restrained warmth without making the palette feel casual. Use burgundy for small accents, buttons, or editorial details.
Is #001b6b readable on white or black?
#001b6b has a 15.33:1 contrast ratio on white and 1.36:1 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.