#003F47 Hex Color
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The hex code #003f47 is a dark, muted cyan with a cool blue-green undertone and low saturation. Its serious, mysterious depth suits moody interfaces, technology branding, and aerospace visuals, especially as a dominant dark background. White text reaches about 11.7:1 contrast here, making small body copy readable under WCAG AA.
Questions about #003f47
What is #003f47 in RGB, HSL and CMYK?
In RGB, #003f47 is rgb(0, 63, 71), in HSL hsl(187, 100%, 14%) and in CMYK 100%, 11%, 0%, 72%.
Is #003f47 a warm or cool color?
#003f47 reads as a cool color because its dark, low-saturation cyan base carries a blue-green undertone, while its very low lightness adds a shadowed, serious mood rather than airy freshness.
What colors pair well with #003f47?
#003f47 pairs well with off-white, pale sand, muted coral, and warm brass because those lighter or warmer accents break up its heavy, cool base. Use pale neutrals for clarity and reserve coral or brass for small highlights.
Is #003f47 suitable for text and UI backgrounds?
Yes, #003f47 works well as a dark UI background in most interfaces: white text has approximately an 11.7:1 contrast ratio, exceeding the 4.5:1 WCAG AA threshold for normal body text. Test colored text and thin type separately.
Is #003f47 readable on white or black?
#003f47 has a 11.65:1 contrast ratio on white and 1.80:1 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.