Color

#310719

#310719
hex#310719
rgbrgb(49, 7, 25)
hslhsl(334, 75%, 11%)
oklchoklch(0.215 0.07 358.6)
Closest name: Vienna Roast (#330022)Relative luminance 0.0088

Tints & shades

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

Harmonies

Complementary

Open in tool →

#07311f

#31072e · #310a07

#193107 · #071931

Split-complementary

Open in tool →

#07310a · #072e31

#2e3107 · #07311f · #0a0731

Contrast

#310719 as textRatioAAAA largeAAAFix
Aaon white
17.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #df2073 as the text (4.59:1)
  • AAA: use #ea6ca2 as the text (7.17:1)
  • AA: or shift the background to #808080 (4.53:1)
  • AAA: or shift the background to #a3a3a3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310719 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

#310719 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310719
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 #310719 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310719-c49ca9-62cb6b-2d1f1f-f1e9f0?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