Color

#4510cb

#4510cb
hex#4510cb
rgbrgb(69, 16, 203)
hslhsl(257, 85%, 43%)
oklchoklch(0.421 0.244 280.7)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0595

Tints & shades

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

Harmonies

Complementary

Open in tool →

#96cb10

#1039cb · #a210cb

#cb4510 · #10cb45

Split-complementary

Open in tool →

#cba210 · #39cb10

#cb1039 · #96cb10 · #10cba2

Contrast

#4510cb as textRatioAAAA largeAAAFix
Aaon white
9.59:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #8155f1 as the text (4.5:1)
  • AAA: use #a484f5 as the text (7.2:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4510cb 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

#4510cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4510cb
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 #4510cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4510cb-ac9cc4-dfc24e-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