Color

#2b287b

#2b287b
hex#2b287b
rgbrgb(43, 40, 123)
hslhsl(242, 51%, 32%)
oklchoklch(0.338 0.136 277.8)
Closest name: Deep Space Rodeo (#332277)Relative luminance 0.0346

Colors that go with #2b287b

Charcoal, Steel Blue and 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 →

#787b28

#284f7b · #54287b

#7b2b28 · #287b2b

Split-complementary

Open in tool →

#7b5428 · #4f7b28

#7b284f · #787b28 · #287b54

Contrast

#2b287b as textRatioAAAA largeAAAFix
Aaon white
12.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #6c69ce as the text (4.55:1)
  • AAA: use #928fdb as the text (7.17:1)
  • AA: or shift the background to #9c9c9c (4.52:1)
  • AAA: or shift the background to #c4c4c4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b287b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2b287b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b287b
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 #2b287b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b287b-a29cc4-df9e4e-261f2d-e9edf1?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