#287ACC Hex Color
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#287acc is a fairly saturated, cool blue with a clean, slightly cyan undertone and medium-dark lightness. Its controlled intensity supports trust and reliability in security, finance, healthcare, and technology interfaces. Use it as a primary brand or UI color with warm off-white or charcoal. The hex code is #287acc, and black text reaches about 4.7:1 contrast.
Questions about #287acc
What is #287acc in RGB, HSL and CMYK?
In RGB, #287acc is rgb(40, 122, 204), in HSL hsl(210, 67%, 48%) and in CMYK 80%, 40%, 0%, 20%.
Does #287acc read as a warm or cool color?
#287acc reads as a cool blue because its hue leans slightly toward cyan, while its fairly high saturation keeps the color clear rather than muted across screens and printed surfaces. Its medium-dark value gives interfaces a controlled, dependable feel without the weight of navy.
What colors pair well with #287acc?
For clean layouts, #287acc pairs well with warm off-white, while terracotta adds energy and charcoal anchors supporting text or panels without competing with its cool, fairly saturated blue character on screen.
Is #287acc readable on white or black?
#287acc has a 4.42:1 contrast ratio on white and 4.74:1 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.