Color

#031c13

#031c13
hex#031c13
rgbrgb(3, 28, 19)
hslhsl(158, 81%, 6%)
oklchoklch(0.203 0.037 166.6)
Closest name: Black Stallion (#0e191c)Relative luminance 0.009

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c030c

#031c06 · #03181c

#13031c · #1c1303

Split-complementary

Open in tool →

#1c0318 · #1c0603

#06031c · #1c030c · #181c03

Contrast

#031c13 as textRatioAAAA largeAAAFix
Aaon white
17.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #0e865a as the text (4.58:1)
  • AAA: use #12ab73 as the text (7.1:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031c13 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

#031c13 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031c13
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 #031c13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031c13-a2beb7-d459c2-1f2c2d-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