Color

#383f31

#383f31
hex#383f31
rgbrgb(56, 63, 49)
hslhsl(90, 13%, 22%)
oklchoklch(0.357 0.025 129.3)
Closest name: Black Olive (#3b3c36)Relative luminance 0.0462

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38313f

#3f3f31 · #313f31

#31383f · #3f3138

Split-complementary

Open in tool →

#31313f · #3f313f

#313f3f · #38313f · #3f3131

Contrast

#383f31 as textRatioAAAA largeAAAFix
Aaon white
10.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #6b795d as the text (4.52:1)
  • AAA: use #8c9b7d as the text (7.1:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383f31 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

#383f31 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383f31
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 #383f31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383f31-adbea2-514edf-202d1f-f1f1e9?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