Color

#cb0115

#cb0115
hex#cb0115
rgbrgb(203, 1, 21)
hslhsl(354, 99%, 40%)
oklchoklch(0.53 0.216 27.1)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1277

Colors that go with #cb0115

Royal Blue, Steel Blue and Teal 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 →

#01cbb7

#cb017a · #cb5201

#15cb01 · #0115cb

Split-complementary

Open in tool →

#01cb52 · #017acb

#7acb01 · #01cbb7 · #5201cb

Contrast

#cb0115 as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #b20113 as the text (7.22:1)
Aaon black
3.55:1failpassfail
  • AA: use #ef0119 as the text (4.69:1)
  • AAA: use #fe5d6d as the text (7:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb0115 as the background.

Brands using this color

Fonts for this mood

#cb0115 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb0115
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 #cb0115 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb0115-c49d9c-62cb8e-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