Color

#cb1023

#cb1023
hex#cb1023
rgbrgb(203, 16, 35)
hslhsl(354, 85%, 43%)
oklchoklch(0.535 0.211 25.3)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1319

Colors that go with #cb1023

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 →

#10cbb8

#cb1080 · #cb5b10

#23cb10 · #1023cb

Split-complementary

Open in tool →

#10cb5b · #1080cb

#80cb10 · #10cbb8 · #5b10cb

Contrast

#cb1023 as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #af0e1e as the text (7.23:1)
Aaon black
3.64:1failpassfail
  • AA: use #e71328 as the text (4.52:1)
  • AAA: use #f36876 as the text (7.05:1)
  • AA: or shift the background to #e6e6e6 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cb1023 as the background.

Brands using this color

Fonts for this mood

#cb1023 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cb1023
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 #cb1023 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cb1023-c49d9c-62cb8e-2d241f-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