Color

#cb0129

#cb0129
hex#cb0129
rgbrgb(203, 1, 41)
hslhsl(348, 99%, 40%)
oklchoklch(0.532 0.214 23)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1288

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01cba3

#cb018e · #cb3e01

#29cb01 · #0129cb

Split-complementary

Open in tool →

#01cb3e · #018ecb

#8ecb01 · #01cba3 · #3e01cb

Contrast

#cb0129 as textRatioAAAA largeAAAFix
Aaon white
5.87:1passpassfail
  • AAA: use #b20124 as the text (7.18:1)
Aaon black
3.58:1failpassfail
  • AA: use #e90130 as the text (4.51:1)
  • AAA: use #fe5d7d as the text (7.08:1)
  • AA: or shift the background to #e3e3e3 (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 #cb0129 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#cb0129 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb0129
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 #cb0129 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb0129-c49c9f-62cb83-2d231f-f1e9ef?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