Color

#453fc6

#453fc6
hex#453fc6
rgbrgb(69, 63, 198)
hslhsl(243, 54%, 51%)
oklchoklch(0.465 0.202 277.1)
Closest name: Blurple (#5539cc)Relative luminance 0.089

Colors that go with #453fc6

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 →

#bfc63f

#3f7bc6 · #893fc6

#c6453f · #3fc645

Split-complementary

Open in tool →

#c6893f · #7bc63f

#c63f7b · #bfc63f · #3fc689

Contrast

#453fc6 as textRatioAAAA largeAAAFix
Aaon white
7.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #6f6ad2 as the text (4.67:1)
  • AAA: use #918ddd as the text (7.06:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (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 #453fc6 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

#453fc6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453fc6
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 #453fc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453fc6-a39cc4-dfa04e-261f2d-e9edf1?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