Color

#ea290b

#ea290b
hex#ea290b
rgbrgb(234, 41, 11)
hslhsl(8, 91%, 48%)
oklchoklch(0.603 0.228 31.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.191

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0bccea

#ea0b5d · #ea980b

#0bea29 · #290bea

Split-complementary

Open in tool →

#0bea98 · #0b5dea

#5dea0b · #0bccea · #980bea

Contrast

#ea290b as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #e5280b as the text (4.53:1)
  • AAA: use #aa1e08 as the text (7.25:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #f76a55 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea290b as the background.

Brands using this color

Fonts for this mood

#ea290b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea290b
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 #ea290b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea290b-c4a69c-62cba6-2d271f-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