Color

#02588d

#02588d
hex#02588d
rgbrgb(2, 88, 141)
hslhsl(203, 97%, 28%)
oklchoklch(0.445 0.112 245.2)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0892

Colors that go with #02588d

Charcoal, Crimson and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8d3702

#028d7c · #02128d

#8d0258 · #588d02

Split-complementary

Open in tool →

#8d0212 · #8d7c02

#7c028d · #8d3702 · #128d02

Contrast

#02588d as textRatioAAAA largeAAAFix
Aaon white
7.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #037ac4 as the text (4.58:1)
  • AAA: use #049cfb as the text (7.15:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #02588d as the background.

Brands using this color

Fonts for this mood

#02588d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02588d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #02588d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02588d-9cb0c4-df4e5d-1f222d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md