Color

#cb202b

#cb202b
hex#cb202b
rgbrgb(203, 32, 43)
hslhsl(356, 73%, 46%)
oklchoklch(0.543 0.203 24.9)
Closest name: Bento Box (#cc363c)Relative luminance 0.139

Colors that go with #cb202b

Charcoal, Royal Blue and Steel Blue 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 →

#20cbc0

#cb2081 · #cb6a20

#2bcb20 · #202bcb

Split-complementary

Open in tool →

#20cb6a · #2081cb

#81cb20 · #20cbc0 · #6a20cb

Contrast

#cb202b as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #ac1b25 as the text (7.15:1)
Aaon black
3.78:1failpassfail
  • AA: use #de2b37 as the text (4.51:1)
  • AAA: use #e9727a as the text (7.15:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb202b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#cb202b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb202b
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 #cb202b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb202b-c49e9c-62cb91-2d241f-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