Color

#515abd

#515abd
hex#515abd
rgbrgb(81, 90, 189)
hslhsl(235, 45%, 53%)
oklchoklch(0.513 0.154 275.7)
Closest name: God of Rain (#4466cc)Relative luminance 0.1274

Colors that go with #515abd

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 →

#bdb451

#5190bd · #7e51bd

#bd515a · #5abd51

Split-complementary

Open in tool →

#bd7e51 · #90bd51

#bd5190 · #bdb451 · #51bd7e

Contrast

#515abd as textRatioAAAA largeAAAFix
Aaon white
5.92:1passpassfail
  • AAA: use #434db1 as the text (7.15:1)
Aaon black
3.55:1failpassfail
  • AA: use #676fc5 as the text (4.66:1)
  • AAA: use #8c92d4 as the text (7.18:1)
  • AA: or shift the background to #e3e3e3 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #515abd 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

#515abd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #515abd
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 #515abd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/515abd-9e9cc4-df8d4e-241f2d-e9eef1?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