Color

#2d407b

#2d407b
hex#2d407b
rgbrgb(45, 64, 123)
hslhsl(225, 46%, 33%)
oklchoklch(0.388 0.103 268)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0565

Colors that go with #2d407b

Steel Blue, Blue and Crimson 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 →

#7b682d

#2d687b · #412d7b

#7b2d41 · #417b2d

Split-complementary

Open in tool →

#7b412d · #687b2d

#7b2d68 · #7b682d · #2d7b41

Contrast

#2d407b as textRatioAAAA largeAAAFix
Aaon white
9.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #5772c1 as the text (4.58:1)
  • AAA: use #8094d0 as the text (7.06:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d407b 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

#2d407b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d407b
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 #2d407b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d407b-9ca1c4-df754e-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