Color

#453d9e

#453d9e
hex#453d9e
rgbrgb(69, 61, 158)
hslhsl(245, 44%, 43%)
oklchoklch(0.427 0.152 281.5)
Closest name: Blueberry (#464196)Relative luminance 0.0707

Colors that go with #453d9e

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 →

#969e3d

#3d669e · #763d9e

#9e453d · #3d9e45

Split-complementary

Open in tool →

#9e763d · #669e3d

#9e3d66 · #969e3d · #3d9e76

Contrast

#453d9e as textRatioAAAA largeAAAFix
Aaon white
8.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #746cc6 as the text (4.7:1)
  • AAA: use #9691d4 as the text (7.3:1)
  • AA: or shift the background to #bdbdbd (4.63:1)
  • AAA: or shift the background to #e8e8e8 (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 #453d9e 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

#453d9e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453d9e
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 #453d9e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453d9e-a49cc4-dfa54e-261f2d-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