Color

#cb2e15

#cb2e15
hex#cb2e15
rgbrgb(203, 46, 21)
hslhsl(8, 81%, 44%)
oklchoklch(0.551 0.196 31.7)
Closest name: Bento Box (#cc363c)Relative luminance 0.147

Colors that go with #cb2e15

Charcoal, Royal Blue and Sea 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15b3cb

#cb1558 · #cb8815

#15cb2e · #2e15cb

Split-complementary

Open in tool →

#15cb88 · #1558cb

#58cb15 · #15b3cb · #8815cb

Contrast

#cb2e15 as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #a62511 as the text (7.26:1)
Aaon black
3.94:1failpassfail
  • AA: use #de3217 as the text (4.57:1)
  • AAA: use #ee715d as the text (7.16:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb2e15 as the background.

Brands using this color

Fonts for this mood

#cb2e15 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb2e15
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 #cb2e15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb2e15-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