Color

#e52210

#e52210
hex#e52210
rgbrgb(229, 34, 16)
hslhsl(5, 87%, 48%)
oklchoklch(0.59 0.227 30.1)
Closest name: Alarm (#ec0003)Relative luminance 0.1784

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10d3e5

#e51069 · #e58c10

#10e522 · #2210e5

Split-complementary

Open in tool →

#10e58c · #1069e5

#69e510 · #10d3e5 · #8c10e5

Contrast

#e52210 as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
Aaon black
4.57:1passpassfail
  • AAA: use #f4695d as the text (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 #e52210 as the background.

Brands using this color

Fonts for this mood

#e52210 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e52210
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 #e52210 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e52210-c4a49c-62cba1-2d261f-f1e9ec?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