Color

#cb3f2a

#cb3f2a
hex#cb3f2a
rgbrgb(203, 63, 42)
hslhsl(8, 66%, 48%)
oklchoklch(0.568 0.18 31.4)
Closest name: Bento Box (#cc363c)Relative luminance 0.1642

Colors that go with #cb3f2a

Amber, Cadet Blue 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 #cb3f2a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2ab6cb

#cb2a65 · #cb902a

#2acb3f · #3f2acb

Split-complementary

Open in tool →

#2acb90 · #2a65cb

#65cb2a · #2ab6cb · #902acb

Contrast

#cb3f2a as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #a13221 as the text (7.01:1)
Aaon black
4.28:1failpassfail
  • AA: use #d4422b as the text (4.61:1)
  • AAA: use #e07767 as the text (7:1)
  • AA: or shift the background to #f7f7f7 (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 #cb3f2a 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

#cb3f2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb3f2a
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 #cb3f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb3f2a-c4a69c-62cba6-2d271f-f1e9ec?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