Color

#453e89

#453e89
hex#453e89
rgbrgb(69, 62, 137)
hslhsl(246, 38%, 39%)
oklchoklch(0.412 0.121 284)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0652

Colors that go with #453e89

Charcoal, Sea Green and Steel Blue 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 →

#82893e

#3e5c89 · #6b3e89

#89453e · #3e8945

Split-complementary

Open in tool →

#896b3e · #5c893e

#893e5c · #82893e · #3e896b

Contrast

#453e89 as textRatioAAAA largeAAAFix
Aaon white
9.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #736bbd as the text (4.57:1)
  • AAA: use #958ecc as the text (7.02:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #453e89 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

#453e89 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453e89
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 #453e89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453e89-a59cc4-dfa74e-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