Color

#5237a4

#5237a4
hex#5237a4
rgbrgb(82, 55, 164)
hslhsl(255, 50%, 43%)
oklchoklch(0.433 0.166 288.9)
Closest name: Blueberry (#464196)Relative luminance 0.0721

Colors that go with #5237a4

Charcoal, Royal Blue and Sea Green 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 →

#89a437

#3752a4 · #8937a4

#a45237 · #37a452

Split-complementary

Open in tool →

#a48937 · #52a437

#a43752 · #89a437 · #37a489

Contrast

#5237a4 as textRatioAAAA largeAAAFix
Aaon white
8.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #8066cc as the text (4.69:1)
  • AAA: use #9f8cd9 as the text (7.23:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5237a4 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

#5237a4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5237a4
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 #5237a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5237a4-ab9cc4-dfbd4e-291f2d-e9ebf1?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