#1C39DB Hex Color
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#1c39db is an intense, saturated blue that demands immediate attention. Due to its high chroma, use it as a 10% accent color for buttons or highlights rather than a full background. It pairs exceptionally well with warm, golden yellows. Because this hex code offers 7.9:1 contrast against white, it remains readable for accessibility-conscious design systems.
Questions about #1c39db
What is #1c39db in RGB, HSL and CMYK?
In RGB, #1c39db is rgb(28, 57, 219), in HSL hsl(231, 77%, 48%) and in CMYK 87%, 74%, 0%, 14%.
What colors pair best with #1c39db?
Warm tones like golden yellow create a striking complementary contrast, making the blue feel even more vibrant. For a more balanced, sophisticated interface, pair this shade with neutral off-white or soft gray backgrounds to let the intensity shine.
Is #1c39db readable on white or black?
#1c39db has a 7.90:1 contrast ratio on white and 2.65:1 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.