Color

#451c41

#451c41
hex#451c41
rgbrgb(69, 28, 65)
hslhsl(306, 42%, 19%)
oklchoklch(0.302 0.083 331.2)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0248

Colors that go with #451c41

Dark Olive Green, Teal and Sea Green 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.

Real palettes that use #451c41

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c4520

#351c45 · #451c2c

#41451c · #1c4145

Split-complementary

Open in tool →

#2c451c · #1c4535

#45351c · #1c4520 · #1c2c45

Contrast

#451c41 as textRatioAAAA largeAAAFix
Aaon white
14.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #b54aaa as the text (4.52:1)
  • AAA: use #ca7dc2 as the text (7.22:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451c41 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

#451c41 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451c41
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 #451c41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451c41-c19fb9-8acb62-2d1f26-eee9f1?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