Color

#cb1a35

#cb1a35
hex#cb1a35
rgbrgb(203, 26, 53)
hslhsl(351, 77%, 45%)
oklchoklch(0.541 0.205 21.3)
Closest name: Akari Red (#c90b42)Relative luminance 0.1369

Colors that go with #cb1a35

Royal Blue, Sea Green and Teal 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 →

#1acbb1

#cb1a8d · #cb581a

#35cb1a · #1a35cb

Split-complementary

Open in tool →

#1acb58 · #1a8dcb

#8dcb1a · #1acbb1 · #581acb

Contrast

#cb1a35 as textRatioAAAA largeAAAFix
Aaon white
5.62:1passpassfail
  • AAA: use #ac162d as the text (7.22:1)
Aaon black
3.74:1failpassfail
  • AA: use #e2223f as the text (4.53:1)
  • AAA: use #ec6f81 as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb1a35 as the background.

Brands using this color

Fonts for this mood

#cb1a35 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb1a35
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 #cb1a35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb1a35-c49c9e-62cb89-2d231f-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