Color

#453b72

#453b72
hex#453b72
rgbrgb(69, 59, 114)
hslhsl(251, 32%, 34%)
oklchoklch(0.39 0.091 289.9)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0561

Colors that go with #453b72

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 →

#68723b

#3b4d72 · #613b72

#72453b · #3b7245

Split-complementary

Open in tool →

#72613b · #4d723b

#723b4d · #68723b · #3b7261

Contrast

#453b72 as textRatioAAAA largeAAAFix
Aaon white
9.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #786bb3 as the text (4.55:1)
  • AAA: use #9a90c6 as the text (7.18:1)
  • AA: or shift the background to #b0b0b0 (4.56:1)
  • AAA: or shift the background to #d9d9d9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #453b72 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #453b72
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 #453b72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453b72-a89cc4-dfb34e-281f2d-e9ecf1?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