Color

#421e4d

#421e4d
hex#421e4d
rgbrgb(66, 30, 77)
hslhsl(286, 44%, 21%)
oklchoklch(0.308 0.091 317.7)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0262

Colors that go with #421e4d

Charcoal, 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 →

#294d1e

#2b1e4d · #4d1e41

#4d421e · #1e4d42

Split-complementary

Open in tool →

#414d1e · #1e4d2b

#4d2b1e · #294d1e · #1e414d

Contrast

#421e4d as textRatioAAAA largeAAAFix
Aaon white
13.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #a556bd as the text (4.67:1)
  • AAA: use #bd82ce as the text (7.25:1)
  • AA: or shift the background to #949494 (4.54:1)
  • AAA: or shift the background to #bababa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421e4d 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

#421e4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421e4d
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 #421e4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421e4d-bd9fc1-adcb62-2d1f2a-ece9f1?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