Color

#d13010

#d13010
hex#d13010
rgbrgb(209, 48, 16)
hslhsl(10, 86%, 44%)
oklchoklch(0.563 0.201 32.6)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1571

Colors that go with #d13010

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 →

#10b1d1

#d11050 · #d19010

#10d130 · #3010d1

Split-complementary

Open in tool →

#10d190 · #1050d1

#50d110 · #10b1d1 · #9010d1

Contrast

#d13010 as textRatioAAAA largeAAAFix
Aaon white
5.07:1passpassfail
  • AAA: use #a6260c as the text (7.23:1)
Aaon black
4.14:1failpassfail
  • AA: use #df3311 as the text (4.62:1)
  • AAA: use #f26f54 as the text (7.18:1)
  • AA: or shift the background to #f2f2f2 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d13010 as the background.

Brands using this color

Fonts for this mood

#d13010 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d13010
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 #d13010 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d13010-c4a79c-62cbaa-2d281f-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