Color

#ea250b

#ea250b
hex#ea250b
rgbrgb(234, 37, 11)
hslhsl(7, 91%, 48%)
oklchoklch(0.601 0.23 30.8)
Closest name: Alarm (#ec0003)Relative luminance 0.1884

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0bd0ea

#ea0b60 · #ea940b

#0bea25 · #250bea

Split-complementary

Open in tool →

#0bea94 · #0b60ea

#60ea0b · #0bd0ea · #940bea

Contrast

#ea250b as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #e5240b as the text (4.58:1)
  • AAA: use #af1c08 as the text (7.02:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #f76755 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 #ea250b as the background.

Brands using this color

Fonts for this mood

#ea250b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea250b
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 #ea250b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea250b-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