Color

#2d418b

#2d418b
hex#2d418b
rgbrgb(45, 65, 139)
hslhsl(227, 51%, 36%)
oklchoklch(0.402 0.125 268.8)
Closest name: Cascade Twilight (#234893)Relative luminance 0.062

Colors that go with #2d418b

Charcoal, Sea Green and Steel 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 →

#8b762d

#2d708b · #482d8b

#8b2d41 · #418b2d

Split-complementary

Open in tool →

#8b482d · #708b2d

#8b2d70 · #8b762d · #2d8b48

Contrast

#2d418b as textRatioAAAA largeAAAFix
Aaon white
9.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #5972c9 as the text (4.68:1)
  • AAA: use #8093d6 as the text (7.06:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d418b 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

#2d418b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d418b
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 #2d418b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d418b-9ca0c4-df7a4e-221f2d-e9eff1?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