Color

#31474e

#31474e
hex#31474e
rgbrgb(49, 71, 78)
hslhsl(194, 23%, 25%)
oklchoklch(0.383 0.03 219.6)
Closest name: Charcoal (#36454f)Relative luminance 0.0571

Colors that go with #31474e

Blue, Blush Pink 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 →

#4e3831

#314e47 · #31394e

#4e3148 · #484e31

Split-complementary

Open in tool →

#4e3139 · #4e4731

#47314e · #4e3831 · #394e31

Contrast

#31474e as textRatioAAAA largeAAAFix
Aaon white
9.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #547b87 as the text (4.56:1)
  • AAA: use #759da9 as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (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 #31474e 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

#31474e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31474e
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 #31474e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31474e-9cb6c4-df4e72-1f242d-e9f1ef?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