Color

#316aaa

#316aaa
hex#316aaa
rgbrgb(49, 106, 170)
hslhsl(212, 55%, 43%)
oklchoklch(0.518 0.118 253.3)
Closest name: Campanula (#3473b7)Relative luminance 0.1386

Colors that go with #316aaa

Charcoal, Crimson 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 →

#aa7231

#31a6aa · #3531aa

#aa316a · #6aaa31

Split-complementary

Open in tool →

#aa3531 · #a6aa31

#aa31a6 · #aa7231 · #31aa35

Contrast

#316aaa as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #29588e as the text (7.29:1)
Aaon black
3.77:1failpassfail
  • AA: use #3878c2 as the text (4.63:1)
  • AAA: use #699bd3 as the text (7.23:1)
  • AA: or shift the background to #e8e8e8 (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 #316aaa 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

#316aaa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #316aaa
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 #316aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/316aaa-9caac4-df564e-1f202d-e9f1f1?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