Color

#5164cd

#5164cd
hex#5164cd
rgbrgb(81, 100, 205)
hslhsl(231, 55%, 56%)
oklchoklch(0.544 0.163 272.2)
Closest name: God of Rain (#4466cc)Relative luminance 0.1527

Colors that go with #5164cd

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 →

#cdba51

#51a1cd · #7c51cd

#cd5164 · #64cd51

Split-complementary

Open in tool →

#cd7c51 · #a1cd51

#cd51a1 · #cdba51 · #51cd7c

Contrast

#5164cd as textRatioAAAA largeAAAFix
Aaon white
5.18:1passpassfail
  • AAA: use #374bbe as the text (7.21:1)
Aaon black
4.05:1failpassfail
  • AA: use #5d6ed0 as the text (4.61:1)
  • AAA: use #8492db as the text (7.12:1)
  • AA: or shift the background to #f0f0f0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5164cd 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

#5164cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5164cd
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 #5164cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5164cd-9c9ec4-df834e-231f2d-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