Color

#031a20

#031a20
hex#031a20
rgbrgb(3, 26, 32)
hslhsl(192, 83%, 7%)
oklchoklch(0.202 0.032 217.2)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0086

Colors that go with #031a20

Charcoal, Crimson and Rust lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#210903

#032118 · #030c21

#21031b · #1b2103

Split-complementary

Open in tool →

#21030c · #211803

#180321 · #210903 · #0c2103

Contrast

#031a20 as textRatioAAAA largeAAAFix
Aaon white
17.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #0f829f as the text (4.71:1)
  • AAA: use #13a4c9 as the text (7.18:1)
  • AA: or shift the background to #808080 (4.53:1)
  • AAA: or shift the background to #a3a3a3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031a20 as the background.

Brands using this color

Fonts for this mood

#031a20 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031a20
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #031a20 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031a20-a2b5be-df4e77-1f242d-e9f1ef?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