Color

#c61306

#c61306
hex#c61306
rgbrgb(198, 19, 6)
hslhsl(4, 94%, 40%)
oklchoklch(0.525 0.208 29.8)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1248

Colors that go with #c61306

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 →

#06b9c6

#c60659 · #c67306

#06c613 · #1306c6

Split-complementary

Open in tool →

#06c673 · #0659c6

#59c606 · #06b9c6 · #7306c6

Contrast

#c61306 as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #b21106 as the text (7.06:1)
Aaon black
3.5:1failpassfail
  • AA: use #e91607 as the text (4.58:1)
  • AAA: use #fa665c as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (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 #c61306 as the background.

Brands using this color

Fonts for this mood

#c61306 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c61306
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 #c61306 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c61306-c4a39c-62cb9f-2d261f-f1e9ed?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