Color

#451ec8

#451ec8
hex#451ec8
rgbrgb(69, 30, 200)
hslhsl(254, 74%, 45%)
oklchoklch(0.427 0.234 280.5)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0636

Colors that go with #451ec8

Charcoal, Denim and Cornflower 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 →

#a0c81e

#1e4bc8 · #9a1ec8

#c8451e · #1ec845

Split-complementary

Open in tool →

#c89a1e · #4bc81e

#c81e4b · #a0c81e · #1ec89a

Contrast

#451ec8 as textRatioAAAA largeAAAFix
Aaon white
9.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #7f5fe7 as the text (4.69:1)
  • AAA: use #9f87ed as the text (7.16:1)
  • AA: or shift the background to #b5b5b5 (4.51:1)
  • AAA: or shift the background to #e3e3e3 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451ec8 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

#451ec8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451ec8
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 #451ec8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451ec8-aa9cc4-dfbb4e-291f2d-e9ebf1?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