Color

#d22828

#d22828
hex#d22828
rgbrgb(210, 40, 40)
hslhsl(0, 68%, 49%)
oklchoklch(0.56 0.205 27)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1537

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28d2d2

#d2287d · #d27d28

#28d228 · #2828d2

Split-complementary

Open in tool →

#28d27d · #287dd2

#7dd228 · #28d2d2 · #7d28d2

Contrast

#d22828 as textRatioAAAA largeAAAFix
Aaon white
5.15:1passpassfail
  • AAA: use #ab2121 as the text (7.07:1)
Aaon black
4.07:1failpassfail
  • AA: use #d93636 as the text (4.53:1)
  • AAA: use #e57676 as the text (7.18:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d22828 as the background.

Brands using this color

Fonts for this mood

#d22828 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d22828
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 #d22828 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d22828-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