Color

#5158bd

#5158bd
hex#5158bd
rgbrgb(81, 88, 189)
hslhsl(236, 45%, 53%)
oklchoklch(0.509 0.156 276.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.124

Colors that go with #5158bd

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 →

#bdb651

#518ebd · #8051bd

#bd5158 · #58bd51

Split-complementary

Open in tool →

#bd8051 · #8ebd51

#bd518e · #bdb651 · #51bd80

Contrast

#5158bd as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #454cb5 as the text (7.11:1)
Aaon black
3.48:1failpassfail
  • AA: use #676ec5 as the text (4.61:1)
  • AAA: use #8c91d4 as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5158bd 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

#5158bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5158bd
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 #5158bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5158bd-9e9cc4-df8f4e-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