#2B37A5 Hex Color
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Dark indigo-blue #2b37a5 has strong saturation and moderate lightness, giving designs a serious, focused mood without looking flat. The hex code #2b37a5 works well as a dominant UI background for finance, technology, and government branding. White text reaches about 9.6:1 contrast here, making it suitable for accessible body text and clear interface labels.
Questions about #2b37a5
What is #2b37a5 in RGB, HSL and CMYK?
In RGB, #2b37a5 is rgb(43, 55, 165), in HSL hsl(234, 59%, 41%) and in CMYK 74%, 67%, 0%, 35%.
What colors pair well with #2b37a5?
#2b37a5 pairs well with white, pale blue, cool gray, and muted gold, creating clear contrast while softening its serious blue depth in interfaces and brand palettes without overwhelming the dark base. Use lighter neutrals for open space and warmer accents sparingly when you want calls to action to stand out.
Is #2b37a5 warm or cool?
#2b37a5 reads as a cool, serious indigo-blue because its hue leans strongly toward blue and its high saturation keeps the color crisp rather than dusty on light or dark layouts. It can convey focus, trust, and technical clarity in interfaces and brand systems.
Is #2b37a5 readable on white or black?
#2b37a5 has a 9.57:1 contrast ratio on white and 2.19:1 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.