Color

#453e7e

#453e7e
hex#453e7e
rgbrgb(69, 62, 126)
hslhsl(247, 34%, 37%)
oklchoklch(0.404 0.104 285.7)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0622

Colors that go with #453e7e

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 →

#777e3e

#3e577e · #663e7e

#7e463e · #3e7e46

Split-complementary

Open in tool →

#7e663e · #577e3e

#7e3e57 · #777e3e · #3e7e66

Contrast

#453e7e as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #756cb7 as the text (4.59:1)
  • AAA: use #9892c9 as the text (7.29:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (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 #453e7e 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 #453e7e
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 #453e7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453e7e-a59cc4-dfaa4e-271f2d-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