Color

#421017

#421017
hex#421017
rgbrgb(66, 16, 23)
hslhsl(352, 61%, 16%)
oklchoklch(0.261 0.077 16.2)
Closest name: English Breakfast (#441111)Relative luminance 0.0159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10423b

#42102f · #422210

#174210 · #101742

Split-complementary

Open in tool →

#104222 · #102f42

#2f4210 · #10423b · #221042

Contrast

#421017 as textRatioAAAA largeAAAFix
Aaon white
15.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #d14255 as the text (4.62:1)
  • AAA: use #de7885 as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.61:1)
  • AAA: or shift the background to #adadad (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421017 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

#421017 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421017
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 #421017 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421017-c49c9d-62cb8a-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