Color

#a2021f

#a2021f
hex#a2021f
rgbrgb(162, 2, 31)
hslhsl(349, 98%, 32%)
oklchoklch(0.45 0.181 23)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0782

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02a284

#a2026f · #a23402

#1fa202 · #021fa2

Split-complementary

Open in tool →

#02a234 · #026fa2

#6fa202 · #02a284 · #3402a2

Contrast

#a2021f as textRatioAAAA largeAAAFix
Aaon white
8.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #ed022d as the text (4.65:1)
  • AAA: use #fd5d7b as the text (7.03:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a2021f 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

#a2021f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a2021f
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 #a2021f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a2021f-c49c9f-62cb85-2d231f-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