#677C7D Hex Color
Quiet blue-gray with modern restraint
Muted and ashy, #677c7d sits between dusty cyan and soft gray, with a matte, understated finish. Its restrained saturation gives interfaces a calm, thoughtful feel without the chill of brighter blue. Use it as a supporting tone for technology, aerospace, or productivity designs, pairing it with warm white and rust accents. Black text reaches about 4.8:1 contrast, making it suitable for small body copy. The hex code is #677c7d.
Questions about #677c7d
What is #677c7d in RGB, HSL and CMYK?
In RGB, #677c7d is rgb(103, 124, 125), in HSL hsl(183, 10%, 45%) and in CMYK 18%, 1%, 0%, 51%.
What colors pair well with #677c7d?
It pairs well with warm white for contrast, rust or terracotta for warmth, and charcoal for a restrained technical palette; these combinations balance its dusty cyan undertone without making the overall design feel cold.
Does #677c7d read warm or cool?
It reads cool because its muted blue-cyan undertone outweighs its grayness, creating a calm, practical mood that works well for technology, aerospace, productivity dashboards, and secondary interface surfaces rather than attention-grabbing calls to action.
Is #677c7d readable on white or black?
#677c7d has a 4.41:1 contrast ratio on white and 4.75:1 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.