Submarine Base
Submarine Base (#5566aa) anchors a design with its deep, muted blue character. This isn't a bright or overtly vibrant blue; instead, it offers a sophisticated, understated richness. Its notable depth provides a calming yet substantial presence, making it an excellent choice for backgrounds or as a foundational element where gravitas is desired without overpowering other design components.
Pairs well with
Analogous
Neighbours on the color wheel, producing a cohesive, low-tension pairing.
Complementary
Direct opposites on the wheel, for maximum contrast.
Split complementary
The two colors bordering the complement — contrast with less tension.
Triadic
Three colors equally spaced around the wheel, bold and balanced.
Tetradic
Two complementary pairs, forming a rich four-color set.
Square
Four colors evenly spaced for a balanced, high-contrast set.
Shades, tints & tones
Shades
Mixed with black — deeper, heavier.
Tints
Mixed with white — softer, less saturated.
Tones
Mixed with gray — muted, quieter.