Color

#e02500

#e02500
hex#e02500
rgbrgb(224, 37, 0)
hslhsl(10, 100%, 44%)
oklchoklch(0.582 0.222 31.8)
Closest name: Alarm (#ec0003)Relative luminance 0.1717

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00bbe0

#e0004b · #e09600

#00e025 · #2500e0

Split-complementary

Open in tool →

#00e096 · #004be0

#4be000 · #00bbe0 · #9600e0

Contrast

#e02500 as textRatioAAAA largeAAAFix
Aaon white
4.74:1passpassfail
  • AAA: use #ad1d00 as the text (7.11:1)
Aaon black
4.43:1failpassfail
  • AA: use #e62600 as the text (4.64:1)
  • AAA: use #ff6242 as the text (7.08:1)
  • AA: or shift the background to #fafafa (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e02500 as the background.

Brands using this color

Fonts for this mood

#e02500 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e02500
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 #e02500 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e02500-c4a79c-62cbaa-2d281f-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