Color

#e5261f

#e5261f
hex#e5261f
rgbrgb(229, 38, 31)
hslhsl(2, 79%, 51%)
oklchoklch(0.593 0.224 28.7)
Closest name: Alarm (#ec0003)Relative luminance 0.1814

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1fdee5

#e51f7b · #e5891f

#1fe526 · #261fe5

Split-complementary

Open in tool →

#1fe589 · #1f7be5

#7be51f · #1fdee5 · #891fe5

Contrast

#e5261f as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #ad1914 as the text (7.18:1)
Aaon black
4.63:1passpassfail
  • AAA: use #ee716d as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e5261f as the background.

Brands using this color

Fonts for this mood

#e5261f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e5261f
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 #e5261f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e5261f-c4a29c-62cb9c-2d261f-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