Color

#384a56

#384a56
hex#384a56
rgbrgb(56, 74, 86)
hslhsl(204, 21%, 28%)
oklchoklch(0.399 0.03 237.7)
Closest name: Abyssal (#404c57)Relative luminance 0.0641

Colors that go with #384a56

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 →

#564438

#385653 · #383b56

#56384a · #4a5638

Split-complementary

Open in tool →

#56383b · #565338

#533856 · #564438 · #3b5638

Contrast

#384a56 as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #5b788b as the text (4.5:1)
  • AAA: use #809bac as the text (7.2:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #384a56 as the background.

Brands using this color

Fonts for this mood

#384a56 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #384a56
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 #384a56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/384a56-9cafc4-df4e5a-1f222d-e9f1f0?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