Color

#cb2910

#cb2910
hex#cb2910
rgbrgb(203, 41, 16)
hslhsl(8, 85%, 43%)
oklchoklch(0.547 0.2 31.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1432

Colors that go with #cb2910

Royal Blue, Sea Green 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 →

#10b2cb

#cb1055 · #cb8710

#10cb29 · #2910cb

Split-complementary

Open in tool →

#10cb87 · #1055cb

#55cb10 · #10b2cb · #8710cb

Contrast

#cb2910 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #aa230e as the text (7.1:1)
Aaon black
3.86:1failpassfail
  • AA: use #e22e12 as the text (4.63:1)
  • AAA: use #f26e5a as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb2910 as the background.

Brands using this color

Fonts for this mood

#cb2910 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb2910
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 #cb2910 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb2910-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