Color

#314f54

#314f54
hex#314f54
rgbrgb(49, 79, 84)
hslhsl(189, 26%, 26%)
oklchoklch(0.406 0.037 209.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0689

Colors that go with #314f54

Steel Blue, Teal and Sienna 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 →

#543631

#315447 · #313d54

#54314e · #4e5431

Split-complementary

Open in tool →

#54313d · #544731

#473154 · #543631 · #3d5431

Contrast

#314f54 as textRatioAAAA largeAAAFix
Aaon white
8.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #4d7c84 as the text (4.53:1)
  • AAA: use #6b9fa8 as the text (7.15:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (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 #314f54 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

#314f54 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #314f54
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 #314f54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/314f54-a2b7be-df4e7e-1f252d-e9f1ee?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