#28338B Hex Color
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Dark indigo with a cool blue-violet cast, #28338b feels serious, structured, and slightly mysterious. Its strong saturation supports corporate branding, uniforms, finance, and night-sky themes without becoming bright. Use it as a dominant background with white text, which reaches about 10.8:1 contrast. The hex code #28338b also pairs well with burgundy and soft gray.
Questions about #28338b
What is #28338b in RGB, HSL and CMYK?
In RGB, #28338b is rgb(40, 51, 139), in HSL hsl(233, 55%, 35%) and in CMYK 71%, 63%, 0%, 45%.
What colors pair well with #28338b?
#28338b pairs well with white, soft gray, and burgundy because these colors balance its cool, saturated indigo character while preserving a serious, polished look for interfaces, branding, and editorial layouts. Use white for crisp contrast, soft gray for restraint, or burgundy for a richer palette.
Is #28338b readable on white or black?
#28338b has a 10.84:1 contrast ratio on white and 1.93:1 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.