Color

#031d25

#031d25
hex#031d25
rgbrgb(3, 29, 37)
hslhsl(194, 85%, 8%)
oklchoklch(0.215 0.036 221.3)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0103

Colors that go with #031d25

Charcoal, Crimson and Denim 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 →

#260b03

#03261c · #030c26

#26031e · #1e2603

Split-complementary

Open in tool →

#26030c · #261c03

#1c0326 · #260b03 · #0c2603

Contrast

#031d25 as textRatioAAAA largeAAAFix
Aaon white
17.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #0d7ea0 as the text (4.51:1)
  • AAA: use #11a3d0 as the text (7.17:1)
  • AA: or shift the background to #828282 (4.53:1)
  • AAA: or shift the background to #a6a6a6 (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 #031d25 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

#031d25 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031d25
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 #031d25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031d25-9cb6c4-df4e72-1f242d-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