#171740 Hex Color
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#171740 is a very dark, muted indigo with cool navy undertones and low saturation. Its shadowed character suggests seriousness, mystery, structure, and spiritual depth. Use this hex code as a dominant dark-mode background or formal brand base, pairing it with burgundy or soft gray. White text remains highly legible, making it practical for interface copy and large headings.
Questions about #171740
What is #171740 in RGB, HSL and CMYK?
In RGB, #171740 is rgb(23, 23, 64), in HSL hsl(240, 47%, 17%) and in CMYK 64%, 64%, 0%, 75%. Browse more shades of purple with names and hex codes.
What colors pair well with #171740?
#171740 pairs well with burgundy, soft gray, muted mauve, and warm off-white; these accents add contrast while preserving its serious, atmospheric character in branding, interfaces, editorial layouts, and product design.
Is #171740 a warm or cool color?
#171740 reads as a cool color because its very dark indigo base leans toward navy rather than red or yellow; low saturation softens the intensity, giving it a subdued, shadowed appearance instead of a bright blue-violet effect.
Is #171740 readable on white or black?
#171740 has a 17.03:1 contrast ratio on white and 1.23:1 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.