Color

#cb1029

#cb1029
hex#cb1029
rgbrgb(203, 16, 41)
hslhsl(352, 85%, 43%)
oklchoklch(0.535 0.21 23.8)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1323

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10cbb2

#cb1087 · #cb5510

#29cb10 · #1029cb

Split-complementary

Open in tool →

#10cb55 · #1087cb

#87cb10 · #10cbb2 · #5510cb

Contrast

#cb1029 as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #af0e24 as the text (7.21:1)
Aaon black
3.65:1failpassfail
  • AA: use #e7132f as the text (4.53:1)
  • AAA: use #f3687b as the text (7.08:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb1029 as the background.

Brands using this color

Fonts for this mood

#cb1029 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb1029
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 #cb1029 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb1029-c49c9d-62cb8a-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