#005B91 Hex Color
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#005b91 is a dark, muted blue with cool green undertones. Its low lightness gives interfaces and branding a serious, secure feel, while restrained saturation keeps it controlled rather than vivid. Use it as a dominant background for finance, technology, or government designs. White text reaches about 7.2:1 contrast, meeting WCAG AA for body text. The hex code is #005b91.
Questions about #005b91
What is #005b91 in RGB, HSL and CMYK?
In RGB, #005b91 is rgb(0, 91, 145), in HSL hsl(202, 100%, 28%) and in CMYK 100%, 37%, 0%, 43%.
What colors pair well with #005b91?
#005b91 pairs well with white, pale blue, cool gray, and muted gold, creating hierarchy without weakening its controlled, professional character; use warmer accents sparingly to keep the palette balanced across interface and brand systems.
Does #005b91 feel warm or cool?
#005b91 reads as a cool blue because its restrained green undertone and low lightness keep it crisp, composed, and more technical than warm or energetic in most interface palettes and branding systems.
Is #005b91 readable on white or black?
#005b91 has a 7.22:1 contrast ratio on white and 2.90:1 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.