Color

#e0102f

#e0102f
hex#e0102f
rgbrgb(224, 16, 47)
hslhsl(351, 87%, 47%)
oklchoklch(0.576 0.227 23.5)
Closest name: crimson (#dc143c)Relative luminance 0.1642

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10e0c1

#e01097 · #e05910

#2fe010 · #102fe0

Split-complementary

Open in tool →

#10e059 · #1097e0

#97e010 · #10e0c1 · #5910e0

Contrast

#e0102f as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #b00c25 as the text (7.18:1)
Aaon black
4.28:1failpassfail
  • AA: use #ea1031 as the text (4.62:1)
  • AAA: use #f4667c as the text (7.04:1)
  • AA: or shift the background to #f7f7f7 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e0102f as the background.

Brands using this color

Fonts for this mood

#e0102f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e0102f
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 #e0102f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e0102f-c49c9e-62cb89-2d231f-f1e9ee?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