#00A5E5 Hex Color
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The hex code #00a5e5 is a fairly saturated, cool blue with a crisp cyan undertone. Its medium brightness feels clear and controlled, supporting brands that need to suggest trust and reliability. Use it for buttons, links, or a strong 10% accent in technology, healthcare, and finance interfaces. Black text remains highly readable on this color.
Questions about #00a5e5
What is #00a5e5 in RGB, HSL and CMYK?
In RGB, #00a5e5 is rgb(0, 165, 229), in HSL hsl(197, 100%, 45%) and in CMYK 100%, 28%, 0%, 10%. Browse more shades of blue with names and hex codes.
What colors pair well with #00a5e5?
Is #00a5e5 warm or cool?
#00a5e5 is a cool blue because its saturated hue leans toward cyan, sitting between blue and green on the color wheel rather than near warm yellow or red, and feels visually crisp. That undertone suits technology, healthcare, links, buttons, and focused accents.
Is #00a5e5 readable on white or black?
#00a5e5 has a 2.79:1 contrast ratio on white and 7.51:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.