Color

#3d444c

#3d444c
hex#3d444c
rgbrgb(61, 68, 76)
hslhsl(212, 11%, 27%)
oklchoklch(0.383 0.016 251.8)
Closest name: Arsenic (#3b444b)Relative luminance 0.0565

Colors that go with #3d444c

Blue, Blush Pink and Burlywood 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 #3d444c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c453d

#3d4c4c · #3e3d4c

#4c3d44 · #444c3d

Split-complementary

Open in tool →

#4c3e3d · #4c4c3d

#4c3d4c · #4c453d · #3d4c3e

Contrast

#3d444c as textRatioAAAA largeAAAFix
Aaon white
9.86:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #6b7785 as the text (4.6:1)
  • AAA: use #8e98a4 as the text (7.18:1)
  • AA: or shift the background to #b0b0b0 (4.55:1)
  • AAA: or shift the background to #dbdbdb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d444c 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

#3d444c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d444c
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 #3d444c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d444c-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