#407BB7 Hex Color
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#407bb7 is a cool, moderately muted blue with a steady medium value and subtle gray undertones. Its controlled saturation supports trust and reliability in finance, security, healthcare, and technology branding. Use it as a supporting tone with warm white or charcoal. Black text reaches about 4.7:1 contrast for WCAG AA body text. The hex code is #407bb7.
Questions about #407bb7
What is #407bb7 in RGB, HSL and CMYK?
In RGB, #407bb7 is rgb(64, 123, 183), in HSL hsl(210, 48%, 48%) and in CMYK 65%, 33%, 0%, 28%.
What colors pair well with #407bb7?
Warm white and charcoal pair well with #407bb7, balancing its cool blue-gray undertone without competing for attention; use warm white for open backgrounds and charcoal for text, borders, or stronger visual framing.
Where does #407bb7 work well?
The controlled saturation of #407bb7 suits technology, healthcare, finance, security, and interface design, where its cool blue tone can signal trust and reliability without the intensity of a vivid blue. Use it as a supporting color beside warm neutrals.
Is #407bb7 readable on white or black?
#407bb7 has a 4.43:1 contrast ratio on white and 4.73:1 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.