Color

#3152c9

#3152c9
hex#3152c9
rgbrgb(49, 82, 201)
hslhsl(227, 61%, 49%)
oklchoklch(0.489 0.189 267.1)
Closest name: Denim (#1560bd)Relative luminance 0.109

Colors that go with #3152c9

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 →

#c9a831

#319ec9 · #5c31c9

#c93152 · #52c931

Split-complementary

Open in tool →

#c95c31 · #9ec931

#c9319e · #c9a831 · #31c95c

Contrast

#3152c9 as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #2f4ec1 as the text (7.05:1)
Aaon black
3.18:1failpassfail
  • AA: use #536fd5 as the text (4.6:1)
  • AAA: use #8095e0 as the text (7.29:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3152c9 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

#3152c9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3152c9
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 #3152c9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3152c9-9ca0c4-df7a4e-221f2d-e9eff1?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