Color

#c83a28

#c83a28
hex#c83a28
rgbrgb(200, 58, 40)
hslhsl(7, 67%, 47%)
oklchoklch(0.558 0.182 30.7)
Closest name: Bento Box (#cc363c)Relative luminance 0.1546

Colors that go with #c83a28

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 →

#28b5c8

#c82865 · #c88b28

#28c83a · #3a28c8

Split-complementary

Open in tool →

#28c88b · #2865c8

#65c828 · #28b5c8 · #8b28c8

Contrast

#c83a28 as textRatioAAAA largeAAAFix
Aaon white
5.13:1passpassfail
  • AAA: use #a22f20 as the text (7.09:1)
Aaon black
4.09:1failpassfail
  • AA: use #d53e2a as the text (4.55:1)
  • AAA: use #e2786a as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (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 #c83a28 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c83a28 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c83a28
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 #c83a28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c83a28-c4a59c-62cba4-2d271f-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