Color

#cb152b

#cb152b
hex#cb152b
rgbrgb(203, 21, 43)
hslhsl(353, 81%, 44%)
oklchoklch(0.538 0.208 23.7)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1341

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15cbb6

#cb1585 · #cb5b15

#2bcb15 · #152bcb

Split-complementary

Open in tool →

#15cb5b · #1585cb

#85cb15 · #15cbb6 · #5b15cb

Contrast

#cb152b as textRatioAAAA largeAAAFix
Aaon white
5.7:1passpassfail
  • AAA: use #af1225 as the text (7.15:1)
Aaon black
3.68:1failpassfail
  • AA: use #e71830 as the text (4.57:1)
  • AAA: use #ef6b7b as the text (7.06:1)
  • AA: or shift the background to #e6e6e6 (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 #cb152b as the background.

Brands using this color

Fonts for this mood

#cb152b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb152b
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 #cb152b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb152b-c49c9c-62cb8c-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