Color

#5145d9

#5145d9
hex#5145d9
rgbrgb(81, 69, 217)
hslhsl(245, 66%, 56%)
oklchoklch(0.5 0.216 278.8)
Closest name: Blurple (#5539cc)Relative luminance 0.1102

Colors that go with #5145d9

Charcoal, Sea Green and Amber 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 →

#cdd945

#4582d9 · #9b45d9

#d95145 · #45d951

Split-complementary

Open in tool →

#d99b45 · #82d945

#d94582 · #cdd945 · #45d99b

Contrast

#5145d9 as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #493cd7 as the text (7.21:1)
Aaon black
3.2:1failpassfail
  • AA: use #7167e0 as the text (4.72:1)
  • AAA: use #948de8 as the text (7.23:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5145d9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#5145d9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5145d9
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 #5145d9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5145d9-a49cc4-dfa54e-261f2d-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