Color

#315277

#315277
hex#315277
rgbrgb(49, 82, 119)
hslhsl(212, 42%, 33%)
oklchoklch(0.431 0.073 252.4)
Closest name: Assassin (#2d4f83)Relative luminance 0.0802

Colors that go with #315277

Sienna, Blue and Cadet Blue 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 →

#775731

#317577 · #333177

#773152 · #527731

Split-complementary

Open in tool →

#773331 · #757731

#773175 · #775731 · #317733

Contrast

#315277 as textRatioAAAA largeAAAFix
Aaon white
8.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #4777ae as the text (4.52:1)
  • AAA: use #7299c5 as the text (7.08:1)
  • AA: or shift the background to #c2c2c2 (4.53:1)
  • AAA: or shift the background to #f0f0f0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #315277 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

#315277 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #315277
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 #315277 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/315277-9caac4-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