Color

#ea1f10

#ea1f10
hex#ea1f10
rgbrgb(234, 31, 16)
hslhsl(4, 87%, 49%)
oklchoklch(0.598 0.232 29.8)
Closest name: Alarm (#ec0003)Relative luminance 0.1851

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10dbea

#ea106e · #ea8b10

#10ea1f · #1f10ea

Split-complementary

Open in tool →

#10ea8b · #106eea

#6eea10 · #10dbea · #8b10ea

Contrast

#ea1f10 as textRatioAAAA largeAAAFix
Aaon white
4.47:1failpassfail
  • AA: use #e51e10 as the text (4.64:1)
  • AAA: use #b0170c as the text (7.06:1)
  • AA: or shift the background to #050505 (4.56:1)
Aaon black
4.7:1passpassfail
  • AAA: use #f46b62 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea1f10 as the background.

Brands using this color

Fonts for this mood

#ea1f10 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea1f10
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 #ea1f10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea1f10-c4a39c-62cb9f-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