Color

#e15151

#e15151
hex#e15151
rgbrgb(225, 81, 81)
hslhsl(0, 71%, 60%)
oklchoklch(0.63 0.18 23.8)
Closest name: Blazing (#e94e41)Relative luminance 0.2249

Colors that go with #e15151

Cadet Blue, Charcoal and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#51e1e1

#e15199 · #e19951

#51e151 · #5151e1

Split-complementary

Open in tool →

#51e199 · #5199e1

#99e151 · #51e1e1 · #9951e1

Contrast

#e15151 as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #dd3636 as the text (4.51:1)
  • AAA: use #aa1d1d as the text (7.23:1)
  • AA: or shift the background to #1a1a1a (4.56:1)
Aaon black
5.5:1passpassfail
  • AAA: use #e77373 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e15151 as the background.

Brands using this color

Fonts for this mood

#e15151 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e15151
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #e15151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e15151-c4a19c-62cb98-2d251f-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