Color

#c43627

#c43627
hex#c43627
rgbrgb(196, 54, 39)
hslhsl(6, 67%, 46%)
oklchoklch(0.547 0.181 30)
Closest name: Bento Box (#cc363c)Relative luminance 0.1452

Colors that go with #c43627

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 →

#27b4c4

#c42766 · #c48527

#27c436 · #3627c4

Split-complementary

Open in tool →

#27c485 · #2766c4

#66c427 · #27b4c4 · #8527c4

Contrast

#c43627 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #a22d20 as the text (7.16:1)
Aaon black
3.9:1failpassfail
  • AA: use #d63f2e as the text (4.61:1)
  • AAA: use #e2766a as the text (7.03:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c43627 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c43627 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c43627
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 #c43627 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c43627-c4a59c-62cba3-2d271f-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