#301F8B Hex Color
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#301f8b is a dark, cool indigo with strong saturation and low lightness, creating a serious, mysterious mood. It suits moody branding, spiritual designs, finance, uniforms, and night-sky themes. Use it as a dominant background with white text, which reaches about 12.4:1 contrast. The hex code #301f8b also pairs well with burgundy and muted gold.
Questions about #301f8b
What is #301f8b in RGB, HSL and CMYK?
In RGB, #301f8b is rgb(48, 31, 139), in HSL hsl(249, 64%, 33%) and in CMYK 65%, 78%, 0%, 45%.
Which colors pair well with #301f8b?
#301f8b pairs well with burgundy and muted gold, which soften its cool depth while adding warmth. Use white for crisp contrast, or reserve warm accents for buttons, borders, and highlights so the indigo remains the dominant color.
Is #301f8b warm or cool?
#301f8b reads as a cool indigo because its blue-violet balance gives it a crisp, deep undertone, while its strong saturation and low lightness make the color feel intense, serious, and mysterious in dark visual systems.
Is #301f8b readable on white or black?
#301f8b has a 12.39:1 contrast ratio on white and 1.69:1 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.