Color

#403172

#403172
hex#403172
rgbrgb(64, 49, 114)
hslhsl(254, 40%, 32%)
oklchoklch(0.366 0.108 290.7)
Closest name: Her Highness (#432e6f)Relative luminance 0.045

Colors that go with #403172

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 →

#637231

#314272 · #613172

#724031 · #317240

Split-complementary

Open in tool →

#726131 · #427231

#723142 · #637231 · #317261

Contrast

#403172 as textRatioAAAA largeAAAFix
Aaon white
11.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #7d69bf as the text (4.64:1)
  • AAA: use #9c8dce as the text (7.11:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403172 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

#403172 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403172
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 #403172 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403172-aa9cc4-dfbb4e-291f2d-e9ebf1?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