Color

#42293f

#42293f
hex#42293f
rgbrgb(66, 41, 63)
hslhsl(307, 23%, 21%)
oklchoklch(0.321 0.051 331)
Closest name: Castro (#44232f)Relative luminance 0.031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29422c

#382942 · #422933

#3f4229 · #293f42

Split-complementary

Open in tool →

#334229 · #294238

#423829 · #29422c · #293342

Contrast

#42293f as textRatioAAAA largeAAAFix
Aaon white
12.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #9d6296 as the text (4.62:1)
  • AAA: use #b488af as the text (7.08:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42293f 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

#42293f reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42293f
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 #42293f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42293f-c19fb9-89cb62-2d1f26-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