#139AB5 Hex Color
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The hex code #139ab5 is a cool cyan with a medium-dark value and slightly softened saturation. It brings a refreshing, open feel to technology, aerospace, communication, and children’s products. Use it as a supporting tone with navy or warm coral, rather than a full-page background. Black text achieves about 6.3:1 contrast, meeting WCAG AA for body text.
Questions about #139ab5
What is #139ab5 in RGB, HSL and CMYK?
In RGB, #139ab5 is rgb(19, 154, 181), in HSL hsl(190, 81%, 39%) and in CMYK 90%, 15%, 0%, 29%.
What colors pair well with #139ab5?
Navy and warm coral pair especially well with #139ab5, balancing its cool cyan with depth and warmth; navy keeps the palette calm and professional, while coral adds lively emphasis without competing with the cyan.
Is #139ab5 warm or cool?
#139ab5 reads as a cool cyan because its blue-green hue carries refreshing, airy energy rather than yellow or red warmth. Its softened saturation keeps the effect approachable, making it suitable for digital interfaces, communication themes, and supportive accents.
Where does #139ab5 work best?
Use #139ab5 as a supporting tone in technology, aerospace, communication, and children’s product designs, especially for buttons, highlights, or illustrations. Avoid using it across an entire page unless paired with sufficient contrast and quieter surrounding colors.
Is #139ab5 readable on white or black?
#139ab5 has a 3.32:1 contrast ratio on white and 6.31:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.