Color

#cb2a34

#cb2a34
hex#cb2a34
rgbrgb(203, 42, 52)
hslhsl(356, 66%, 48%)
oklchoklch(0.551 0.196 23.8)
Closest name: Bento Box (#cc363c)Relative luminance 0.146

Colors that go with #cb2a34

Royal Blue, Teal and Dark Olive Green 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.

Real palettes that use #cb2a34

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2acbc0

#cb2a85 · #cb702a

#34cb2a · #2a34cb

Split-complementary

Open in tool →

#2acb70 · #2a85cb

#85cb2a · #2acbc0 · #702acb

Contrast

#cb2a34 as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #a9232c as the text (7.09:1)
Aaon black
3.92:1failpassfail
  • AA: use #d63843 as the text (4.51:1)
  • AAA: use #e3787f as the text (7.26:1)
  • AA: or shift the background to #ededed (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 #cb2a34 as the background.

Brands using this color

Fonts for this mood

#cb2a34 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb2a34
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 #cb2a34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb2a34-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