Color

#42243f

#42243f
hex#42243f
rgbrgb(66, 36, 63)
hslhsl(306, 29%, 20%)
oklchoklch(0.311 0.062 330.6)
Closest name: Castro (#44232f)Relative luminance 0.0278

Tints & shades

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

Harmonies

Complementary

Open in tool →

#244227

#362442 · #422430

#3f4224 · #243f42

Split-complementary

Open in tool →

#304224 · #244236

#423624 · #244227 · #243042

Contrast

#42243f as textRatioAAAA largeAAAFix
Aaon white
13.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #a45b9d as the text (4.56:1)
  • AAA: use #bc85b7 as the text (7.18:1)
  • AA: or shift the background to #969696 (4.56:1)
  • AAA: or shift the background to #bdbdbd (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42243f 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

#42243f reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42243f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #42243f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42243f-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