#648AB5 Hex Color
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The hex code #648ab5 defines a muted, cool blue with gray undertones and a matte, dusty finish. Its restrained saturation suits finance, healthcare, technology, and government interfaces that need dependable visual cues. Use it as a supporting tone with warm white and charcoal; black text reaches about 5.8:1 contrast, meeting WCAG AA for body text.
Questions about #648ab5
What is #648ab5 in RGB, HSL and CMYK?
In RGB, #648ab5 is rgb(100, 138, 181), in HSL hsl(212, 35%, 55%) and in CMYK 45%, 24%, 0%, 29%. Browse more shades of blue with names and hex codes.
What colors pair well with #648ab5?
Is #648ab5 warm or cool?
#648ab5 reads as cool because its blue hue is softened by gray rather than warmed by yellow or red, giving it a calm, restrained appearance suited to dependable visual systems.
Is #648ab5 readable on white or black?
#648ab5 has a 3.59:1 contrast ratio on white and 5.84:1 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.