Color

#451eb8

#451eb8
hex#451eb8
rgbrgb(69, 30, 184)
hslhsl(255, 72%, 42%)
oklchoklch(0.409 0.216 282.8)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0565

Colors that go with #451eb8

Charcoal, Denim and 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 →

#92b81e

#1e45b8 · #921eb8

#b8451e · #1eb845

Split-complementary

Open in tool →

#b8921e · #45b81e

#b81e45 · #92b81e · #1eb892

Contrast

#451eb8 as textRatioAAAA largeAAAFix
Aaon white
9.86:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #7f5de5 as the text (4.6:1)
  • AAA: use #a189ec as the text (7.3:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451eb8 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

#451eb8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451eb8
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 #451eb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451eb8-ab9cc4-dfbd4e-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