Color

#384451

#384451
hex#384451
rgbrgb(56, 68, 81)
hslhsl(211, 18%, 27%)
oklchoklch(0.381 0.027 250.6)
Closest name: Arsenic (#3b444b)Relative luminance 0.0557

Tints & shades

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

Harmonies

Complementary

Open in tool →

#514538

#385151 · #393851

#513844 · #445138

Split-complementary

Open in tool →

#513938 · #515138

#513851 · #514538 · #385139

Contrast

#384451 as textRatioAAAA largeAAAFix
Aaon white
9.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #62778d as the text (4.54:1)
  • AAA: use #8798ab as the text (7.11:1)
  • AA: or shift the background to #b0b0b0 (4.58:1)
  • AAA: or shift the background to #d9d9d9 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #384451 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

#384451 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #384451
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #384451 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/384451-9cabc4-df534e-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