#1579AB Hex Color
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#1579ab is a cool, moderately muted blue with a medium-dark value and subtle green undertones. Its steady appearance supports trust and reliability in finance, healthcare, technology, and government branding. Use it as a supporting color or UI background with white text, which reaches about 4.8:1 contrast for WCAG AA body text. The hex code is #1579ab.
Questions about #1579ab
What is #1579ab in RGB, HSL and CMYK?
In RGB, #1579ab is rgb(21, 121, 171), in HSL hsl(200, 78%, 38%) and in CMYK 88%, 29%, 0%, 33%.
What colors pair well with #1579ab?
Is #1579ab a warm or cool color?
#1579ab reads as a cool blue because its hue leans slightly toward green rather than yellow or red. Its moderate saturation and medium-dark value keep the coolness controlled, giving interfaces a steady, professional feel instead of a vivid or icy look.
Where does #1579ab work well in a design?
Use #1579ab for supporting backgrounds, navigation, buttons, and links when you want a dependable blue that stands apart without feeling overly bright. Pair it with white text for clear contrast and reserve lighter tints for broad surfaces.
Is #1579ab readable on white or black?
#1579ab has a 4.82:1 contrast ratio on white and 4.35:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.