Color

#ad2e2e

#ad2e2e
hex#ad2e2e
rgbrgb(173, 46, 46)
hslhsl(0, 58%, 43%)
oklchoklch(0.499 0.164 25.4)
Closest name: firebrick (#b22222)Relative luminance 0.1104

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2eadad

#ad2e6e · #ad6e2e

#2ead2e · #2e2ead

Split-complementary

Open in tool →

#2ead6e · #2e6ead

#6ead2e · #2eadad · #6e2ead

Contrast

#ad2e2e as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #a52c2c as the text (7.01:1)
Aaon black
3.21:1failpassfail
  • AA: use #ce4646 as the text (4.59:1)
  • AAA: use #dc7a7a as the text (7.11:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad2e2e 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

#ad2e2e reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad2e2e
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 #ad2e2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad2e2e-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