Color

#031b13

#031b13
hex#031b13
rgbrgb(3, 27, 19)
hslhsl(160, 80%, 6%)
oklchoklch(0.2 0.035 168.6)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c030b

#031c07 · #03171c

#13031c · #1c1303

Split-complementary

Open in tool →

#1c0317 · #1c0703

#07031c · #1c030b · #171c03

Contrast

#031b13 as textRatioAAAA largeAAAFix
Aaon white
17.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #0f855e as the text (4.54:1)
  • AAA: use #13aa78 as the text (7.05:1)
  • AA: or shift the background to #808080 (4.54:1)
  • AAA: or shift the background to #a3a3a3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031b13 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

#031b13 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031b13
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 #031b13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031b13-a2beb8-d459be-1f2c2d-e9f1eb?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