Color

#a62121

#a62121
hex#a62121
rgbrgb(166, 33, 33)
hslhsl(0, 67%, 39%)
oklchoklch(0.474 0.169 26.6)
Closest name: Blood Rush (#aa2222)Relative luminance 0.093

Tints & shades

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

Harmonies

Complementary

Open in tool →

#21a6a6

#a62163 · #a66321

#21a621 · #2121a6

Split-complementary

Open in tool →

#21a663 · #2163a6

#63a621 · #21a6a6 · #6321a6

Contrast

#a62121 as textRatioAAAA largeAAAFix
Aaon white
7.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #d83b3b as the text (4.61:1)
  • AAA: use #e47777 as the text (7.2:1)
  • AA: or shift the background to #cccccc (4.57:1)
  • AAA: or shift the background to #fafafa (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a62121 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

#a62121 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a62121
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 #a62121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a62121-c4a19c-62cb98-2d251f-f1e9ed?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