#405B89 Hex Color
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#405b89 is a dark, muted blue with gray undertones and a cool, matte finish. Its low saturation gives interfaces and branding a serious, dependable feel without harshness. Use it as a supporting tone with burgundy or warm cream, or as a UI background with white text, which reaches about 6.8:1 contrast. The hex code for this shade is #405b89.
Questions about #405b89
What is #405b89 in RGB, HSL and CMYK?
In RGB, #405b89 is rgb(64, 91, 137), in HSL hsl(218, 36%, 39%) and in CMYK 53%, 34%, 0%, 46%. Browse more shades of blue with names and hex codes.
What colors pair well with #405b89?
#405b89 pairs well with warm neutrals, burgundy, muted gold, and off-white because its cool gray undertones benefit from gentle warmth and contrast; use it for backgrounds and let warmer accents add energy without losing the blue's dependable character.
Does #405b89 read as a warm or cool color?
#405b89 reads as a cool blue because its muted base is softened by gray undertones rather than yellow or red warmth, giving it a matte, restrained look that suits interfaces, dashboards, and professional brand layouts.
Is #405b89 readable on white or black?
#405b89 has a 6.82:1 contrast ratio on white and 3.07:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.