Color

#31381e

#31381e
hex#31381e
rgbrgb(49, 56, 30)
hslhsl(76, 30%, 17%)
oklchoklch(0.327 0.044 121.2)
Closest name: Graphite (#383428)Relative luminance 0.0358

Tints & shades

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

Harmonies

Complementary

Open in tool →

#251e38

#38321e · #24381e

#1e3138 · #381e31

Split-complementary

Open in tool →

#1e2438 · #321e38

#1e3832 · #251e38 · #381e24

Contrast

#31381e as textRatioAAAA largeAAAFix
Aaon white
12.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #6c7b42 as the text (4.55:1)
  • AAA: use #8c9f56 as the text (7.21:1)
  • AA: or shift the background to #9e9e9e (4.57:1)
  • AAA: or shift the background to #c4c4c4 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31381e 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

#31381e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31381e
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 #31381e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31381e-b3bea2-4e6edf-232d1f-f1efe9?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