Color

#451aef

#451aef
hex#451aef
rgbrgb(69, 26, 239)
hslhsl(252, 87%, 52%)
oklchoklch(0.468 0.276 276.2)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0824

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c4ef1a

#1a5aef · #af1aef

#ef451a · #1aef45

Split-complementary

Open in tool →

#efaf1a · #5aef1a

#ef1a5a · #c4ef1a · #1aefaf

Contrast

#451aef as textRatioAAAA largeAAAFix
Aaon white
7.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #7b5df4 as the text (4.71:1)
  • AAA: use #9e88f7 as the text (7.32:1)
  • AA: or shift the background to #c4c4c4 (4.55:1)
  • AAA: or shift the background to #f2f2f2 (7.09:1)

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

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

mcpConnect your agent — build around #451aef
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #451aef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451aef-a99cc4-dfb64e-281f2d-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