Color

#421f26

#421f26
hex#421f26
rgbrgb(66, 31, 38)
hslhsl(348, 36%, 19%)
oklchoklch(0.29 0.055 8.3)
Closest name: Castro (#44232f)Relative luminance 0.0228

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f423b

#421f37 · #42291f

#26421f · #1f2642

Split-complementary

Open in tool →

#1f4229 · #1f3742

#37421f · #1f423b · #291f42

Contrast

#421f26 as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #b1596a as the text (4.51:1)
  • AAA: use #c68692 as the text (7.23:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421f26 as the background.

Brands using this color

Fonts for this mood

#421f26 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421f26
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 #421f26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421f26-c49c9f-62cb83-2d231f-f1e9ef?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