Color

#2b367d

#2b367d
hex#2b367d
rgbrgb(43, 54, 125)
hslhsl(232, 49%, 33%)
oklchoklch(0.367 0.12 272.4)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0463

Colors that go with #2b367d

Steel Blue, Blue and Charcoal 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 →

#7d722b

#2b5f7d · #492b7d

#7d2b36 · #367d2b

Split-complementary

Open in tool →

#7d492b · #5f7d2b

#7d2b5f · #7d722b · #2b7d49

Contrast

#2b367d as textRatioAAAA largeAAAFix
Aaon white
10.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #5f6dc8 as the text (4.51:1)
  • AAA: use #8994d7 as the text (7.28:1)
  • AA: or shift the background to #a8a8a8 (4.58:1)
  • AAA: or shift the background to #d1d1d1 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b367d 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

#2b367d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b367d
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 #2b367d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b367d-9c9dc4-df864e-231f2d-e9eef1?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