Color

#5145bf

#5145bf
hex#5145bf
rgbrgb(81, 69, 191)
hslhsl(246, 49%, 51%)
oklchoklch(0.477 0.184 281.3)
Closest name: Blurple (#5539cc)Relative luminance 0.0977

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b3bf45

#4576bf · #8e45bf

#bf5145 · #45bf51

Split-complementary

Open in tool →

#bf8e45 · #76bf45

#bf4576 · #b3bf45 · #45bf8e

Contrast

#5145bf as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #7167cb as the text (4.5:1)
  • AAA: use #958dd8 as the text (7.08:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (7.11:1)

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

#5145bf reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/5145bf-a59cc4-dfa74e-271f2d-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