Color

#e02810

#e02810
hex#e02810
rgbrgb(224, 40, 16)
hslhsl(7, 87%, 47%)
oklchoklch(0.584 0.22 30.9)
Closest name: Alarm (#ec0003)Relative luminance 0.174

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10c8e0

#e01060 · #e09010

#10e028 · #2810e0

Split-complementary

Open in tool →

#10e090 · #1060e0

#60e010 · #10c8e0 · #9010e0

Contrast

#e02810 as textRatioAAAA largeAAAFix
Aaon white
4.69:1passpassfail
  • AAA: use #ac1f0c as the text (7.11:1)
Aaon black
4.48:1failpassfail
  • AA: use #e52910 as the text (4.66:1)
  • AAA: use #f36a58 as the text (7.01:1)
  • AA: or shift the background to #fcfcfc (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e02810 as the background.

Brands using this color

Fonts for this mood

#e02810 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e02810
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 #e02810 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e02810-c4a59c-62cba4-2d271f-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