Color

#2d338b

#2d338b
hex#2d338b
rgbrgb(45, 51, 139)
hslhsl(236, 51%, 36%)
oklchoklch(0.374 0.144 274.1)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0479

Colors that go with #2d338b

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 →

#8b842d

#2d628b · #562d8b

#8b2d33 · #338b2d

Split-complementary

Open in tool →

#8b562d · #628b2d

#8b2d62 · #8b842d · #2d8b56

Contrast

#2d338b as textRatioAAAA largeAAAFix
Aaon white
10.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #656ccd as the text (4.58:1)
  • AAA: use #8b91da as the text (7.16:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d338b 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

#2d338b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d338b
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 #2d338b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d338b-9e9cc4-df8f4e-241f2d-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