Color

#641645

#641645
hex#641645
rgbrgb(100, 22, 69)
hslhsl(324, 64%, 24%)
oklchoklch(0.35 0.121 348.3)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0371

Colors that go with #641645

Crimson, Sea Green and Teal 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 →

#166435

#5d1664 · #64161e

#456416 · #164564

Split-complementary

Open in tool →

#1e6416 · #16645d

#645d16 · #166435 · #161e64

Contrast

#641645 as textRatioAAAA largeAAAFix
Aaon white
12.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #d12e90 as the text (4.5:1)
  • AAA: use #e071b3 as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #641645 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

#641645 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641645
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 #641645 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641645-c19faf-6bcb62-2d1f22-f0e9f1?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