Color

#cb0617

#cb0617
hex#cb0617
rgbrgb(203, 6, 23)
hslhsl(355, 94%, 41%)
oklchoklch(0.531 0.214 27)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1289

Tints & shades

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

Harmonies

Complementary

Open in tool →

#06cbba

#cb0679 · #cb5806

#17cb06 · #0617cb

Split-complementary

Open in tool →

#06cb58 · #0679cb

#79cb06 · #06cbba · #5806cb

Contrast

#cb0617 as textRatioAAAA largeAAAFix
Aaon white
5.87:1passpassfail
  • AAA: use #b20614 as the text (7.17:1)
Aaon black
3.58:1failpassfail
  • AA: use #e9071a as the text (4.51:1)
  • AAA: use #fa6672 as the text (7.21:1)
  • AA: or shift the background to #e3e3e3 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb0617 as the background.

Brands using this color

Fonts for this mood

#cb0617 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb0617
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 #cb0617 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb0617-c49e9c-62cb8f-2d241f-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