#1531D3 Hex Color
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#1531d3 is a saturated, deep blue with a cool violet undertone and strong visual weight. Its serious, controlled character suits finance, security, technology, and government branding. Use it as a dominant UI background or bold accent, pairing it with warm white for clear contrast. White text reaches about 8.7:1 contrast, supporting readable interface labels. The hex code for this color is #1531d3.
Questions about #1531d3
What is #1531d3 in RGB, HSL and CMYK?
In RGB, #1531d3 is rgb(21, 49, 211), in HSL hsl(231, 82%, 45%) and in CMYK 90%, 77%, 0%, 17%.
What colors pair well with #1531d3?
#1531d3 pairs well with warm white, soft neutrals, and restrained gold accents, which balance its cool violet undertone without competing with its saturation. Use warm white for clean contrast, while muted neutrals create a calmer interface.
Where does #1531d3 work best?
#1531d3 works well as a dominant background or strong accent in finance, security, technology, and government interfaces, where its saturated blue and controlled violet cast suggest focus and authority. Pair it with warm white to keep dense layouts clear and readable.
Is #1531d3 readable on white or black?
#1531d3 has a 8.70:1 contrast ratio on white and 2.41:1 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.