Color

#42254b

#42254b
hex#42254b
rgbrgb(66, 37, 75)
hslhsl(286, 34%, 22%)
oklchoklch(0.319 0.075 317.8)
Closest name: Murasaki (#4f284b)Relative luminance 0.0299

Colors that go with #42254b

Dark Olive Green, Sea Green and Sienna 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 #42254b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e4b25

#2f254b · #4b2541

#4b4225 · #254b42

Split-complementary

Open in tool →

#414b25 · #254b2f

#4b2f25 · #2e4b25 · #25414b

Contrast

#42254b as textRatioAAAA largeAAAFix
Aaon white
13.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #9b5bae as the text (4.5:1)
  • AAA: use #b484c2 as the text (7.02:1)
  • AA: or shift the background to #999999 (4.61:1)
  • AAA: or shift the background to #bfbfbf (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 #42254b 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

#42254b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42254b
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 #42254b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42254b-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