Color

#03251d

#03251d
hex#03251d
rgbrgb(3, 37, 29)
hslhsl(166, 85%, 8%)
oklchoklch(0.237 0.042 173.8)
Closest name: Nightmare (#112211)Relative luminance 0.0143

Colors that go with #03251d

Blue Violet, Charcoal and Crimson 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 →

#26030b

#03260c · #031c26

#1e0326 · #261e03

Split-complementary

Open in tool →

#26031c · #260c03

#0c0326 · #26030b · #1c2603

Contrast

#03251d as textRatioAAAA largeAAAFix
Aaon white
16.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #0b8468 as the text (4.51:1)
  • AAA: use #0eaa85 as the text (7.11:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03251d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#03251d reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03251d
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 #03251d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03251d-a2bebb-d459b1-1f2a2d-e9f1ec?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