Color

#381e33

#381e33
hex#381e33
rgbrgb(56, 30, 51)
hslhsl(312, 30%, 17%)
oklchoklch(0.278 0.053 334.3)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0201

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e3824

#311e38 · #381e26

#33381e · #1e3338

Split-complementary

Open in tool →

#26381e · #1e3831

#38311e · #1e3824 · #1e2638

Contrast

#381e33 as textRatioAAAA largeAAAFix
Aaon white
14.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #a85d99 as the text (4.69:1)
  • AAA: use #bd84b2 as the text (7.11:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #381e33 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

#381e33 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #381e33
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 #381e33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/381e33-c19fb6-80cb62-2d1f24-efe9f1?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