Color

#3f563e

#3f563e
hex#3f563e
rgbrgb(63, 86, 62)
hslhsl(118, 16%, 29%)
oklchoklch(0.427 0.048 143.7)
Closest name: Highlander (#3a533d)Relative luminance 0.0806

Colors that go with #3f563e

Blue, Crimson and Denim 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.

Real palettes that use #3f563e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#553e56

#4b563e · #3e5649

#3e3f56 · #563e3f

Split-complementary

Open in tool →

#493e56 · #563e4b

#3e4b56 · #553e56 · #56493e

Contrast

#3f563e as textRatioAAAA largeAAAFix
Aaon white
8.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #5d7f5c as the text (4.66:1)
  • AAA: use #7b9f7a as the text (7.08:1)
  • AA: or shift the background to #c2c2c2 (4.51:1)
  • AAA: or shift the background to #f0f0f0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f563e 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

#3f563e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f563e
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 #3f563e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f563e-a2bea4-944edf-1f2d25-edf1e9?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