Color

#421f24

#421f24
hex#421f24
rgbrgb(66, 31, 36)
hslhsl(351, 36%, 19%)
oklchoklch(0.29 0.054 12)
Closest name: Castro (#44232f)Relative luminance 0.0227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f423d

#421f36 · #422b1f

#24421f · #1f2442

Split-complementary

Open in tool →

#1f422b · #1f3642

#36421f · #1f423d · #2b1f42

Contrast

#421f24 as textRatioAAAA largeAAAFix
Aaon white
14.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #b25c69 as the text (4.63:1)
  • AAA: use #c6868f as the text (7.21:1)
  • AA: or shift the background to #919191 (4.59:1)
  • AAA: or shift the background to #b5b5b5 (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 #421f24 as the background.

Brands using this color

Fonts for this mood

#421f24 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421f24
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 #421f24 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421f24-c49c9e-62cb89-2d231f-f1e9ee?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