Color

#cd210e

#cd210e
hex#cd210e
rgbrgb(205, 33, 14)
hslhsl(6, 87%, 43%)
oklchoklch(0.545 0.207 30.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.141

Colors that go with #cd210e

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 →

#0ebacd

#cd0e5b · #cd810e

#0ecd21 · #210ecd

Split-complementary

Open in tool →

#0ecd81 · #0e5bcd

#5bcd0e · #0ebacd · #810ecd

Contrast

#cd210e as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #ac1c0c as the text (7.18:1)
Aaon black
3.82:1failpassfail
  • AA: use #e52510 as the text (4.6:1)
  • AAA: use #f46c5d as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cd210e as the background.

Brands using this color

Fonts for this mood

#cd210e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cd210e
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 #cd210e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cd210e-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