Color

#031b08

#031b08
hex#031b08
rgbrgb(3, 27, 8)
hslhsl(133, 80%, 6%)
oklchoklch(0.197 0.049 148.7)
Closest name: Nightmare (#112211)Relative luminance 0.0082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c0316

#0a1c03 · #031c15

#08031c · #1c0803

Split-complementary

Open in tool →

#15031c · #1c030a

#030a1c · #1c0316 · #1c1503

Contrast

#031b08 as textRatioAAAA largeAAAFix
Aaon white
18.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #0f8a2a as the text (4.69:1)
  • AAA: use #13ae35 as the text (7.13:1)
  • AA: or shift the background to #808080 (4.57:1)
  • AAA: or shift the background to #a3a3a3 (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 #031b08 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

#031b08 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031b08
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 #031b08 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031b08-a2beab-b84edf-1f2d28-ebf1e9?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