Color

#384757

#384757
hex#384757
rgbrgb(56, 71, 87)
hslhsl(211, 22%, 28%)
oklchoklch(0.392 0.033 250.3)
Closest name: Arsenic (#3b444b)Relative luminance 0.0604

Tints & shades

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

Harmonies

Complementary

Open in tool →

#574838

#385757 · #383857

#573847 · #475738

Split-complementary

Open in tool →

#573838 · #575738

#573857 · #574838 · #385738

Contrast

#384757 as textRatioAAAA largeAAAFix
Aaon white
9.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #5d7792 as the text (4.52:1)
  • AAA: use #8398af as the text (7.08:1)
  • AA: or shift the background to #b3b3b3 (4.54:1)
  • AAA: or shift the background to #dedede (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #384757 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

#384757 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #384757
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 #384757 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/384757-9cabc4-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