Color

#453e6a

#453e6a
hex#453e6a
rgbrgb(69, 62, 106)
hslhsl(250, 26%, 33%)
oklchoklch(0.392 0.073 289.9)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0575

Colors that go with #453e6a

Steel Blue, Blue and Copper 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 →

#636a3e

#3e4d6a · #5b3e6a

#6a463e · #3e6a46

Split-complementary

Open in tool →

#6a5b3e · #4d6a3e

#6a3e4d · #636a3e · #3e6a5b

Contrast

#453e6a as textRatioAAAA largeAAAFix
Aaon white
9.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #786eaa as the text (4.61:1)
  • AAA: use #9992bf as the text (7.22:1)
  • AA: or shift the background to #b0b0b0 (4.5:1)
  • AAA: or shift the background to #dbdbdb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #453e6a 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 #453e6a
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 #453e6a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453e6a-a79cc4-dfb14e-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