Color

#cb1540

#cb1540
hex#cb1540
rgbrgb(203, 21, 64)
hslhsl(346, 81%, 44%)
oklchoklch(0.541 0.207 17.3)
Closest name: Akari Red (#c90b42)Relative luminance 0.136

Colors that go with #cb1540

Royal Blue, Teal and Amber 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 →

#15cba1

#cb159b · #cb4615

#40cb15 · #1540cb

Split-complementary

Open in tool →

#15cb46 · #159bcb

#9bcb15 · #15cba1 · #4615cb

Contrast

#cb1540 as textRatioAAAA largeAAAFix
Aaon white
5.64:1passpassfail
  • AAA: use #af1237 as the text (7.08:1)
Aaon black
3.72:1failpassfail
  • AA: use #e71848 as the text (4.62:1)
  • AAA: use #ef6b8a as the text (7.14:1)
  • AA: or shift the background to #e6e6e6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb1540 as the background.

Brands using this color

Fonts for this mood

#cb1540 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb1540
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 #cb1540 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb1540-c49ca1-62cb80-2d221f-f1e9ef?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