Fathom blue 18-C-39

Colour values

CMYK is converted without a device profile, so use it to get close and then proof it. It is not a print ready separation.

Contrast ratios for text placed on this colour, measured to WCAG 2.1.

White text 8.15:1 Passes AAA

Black text 2.58:1 Fails

This colour mixed toward white and toward black. Useful for picking a ceiling tone or a deeper trim that stays in the same family.

#0F1519 75% black

#182128 60% black

#202D37 45% black

#293946 30% black

#324655 15% black

#3B5264 Base

#586C7B 15% white

#768693 30% white

#93A0AA 45% white

#B1BAC1 60% white

#CED4D8 75% white

Ranked by perceptual distance, so these are the nearest usable alternatives if this notation is not available to you.

Send us the code and we will advise on matching it in the right product for your surface, along with pack sizes and coverage.

Shown as a screen approximation. Always confirm against a physical fan deck or a drawdown before committing to a specification.