#243C87 Hex Color
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#243c87 is a dark, cool blue with moderate saturation and a slightly muted, serious presence. This hex code suits finance, technology, government, and formal branding, especially as a dominant background or strong contrast color. White text reaches about a 10.1:1 contrast ratio, making it suitable behind small body text under WCAG AA. Large unbroken areas can feel heavy, so add lighter accents.
Questions about #243c87
What is #243c87 in RGB, HSL and CMYK?
In RGB, #243c87 is rgb(36, 60, 135), in HSL hsl(225, 58%, 34%) and in CMYK 73%, 56%, 0%, 47%.
What colors pair well with #243c87?
#243c87 pairs well with burgundy, pale cyan, and warm off-white because these accents add contrast while preserving its formal, cool, and slightly muted character in brand palettes and interface layouts.
Where does #243c87 work best in a design?
#243c87 works best as a dominant color for navigation bars, dashboards, finance interfaces, uniforms, and formal identity systems, where its dark value creates authority and lets lighter typography or small accents stand out clearly.
Is #243c87 readable on white or black?
#243c87 has a 10.13:1 contrast ratio on white and 2.07:1 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.