Color

#031715

#031715
hex#031715
rgbrgb(3, 23, 21)
hslhsl(174, 77%, 5%)
oklchoklch(0.187 0.028 186.7)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0069

Colors that go with #031715

Charcoal, Amber and Blue 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 →

#170305

#03170b · #030f17

#150317 · #171503

Split-complementary

Open in tool →

#17030f · #170b03

#0b0317 · #170305 · #0f1703

Contrast

#031715 as textRatioAAAA largeAAAFix
Aaon white
18.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #118378 as the text (4.54:1)
  • AAA: use #16a798 as the text (7.02:1)
  • AA: or shift the background to #808080 (4.68:1)
  • AAA: or shift the background to #a1a1a1 (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 #031715 as the background.

Brands using this color

Fonts for this mood

#031715 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031715
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 #031715 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031715-a2bebe-d459a1-1f292d-e9f1ed?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