Color

#d9130d

#d9130d
hex#d9130d
rgbrgb(217, 19, 13)
hslhsl(2, 89%, 45%)
oklchoklch(0.561 0.223 29.1)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1525

Colors that go with #d9130d

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 →

#0dd2d9

#d90d6c · #d97a0d

#0dd913 · #130dd9

Split-complementary

Open in tool →

#0dd97a · #0d6cd9

#6cd90d · #0dd2d9 · #7a0dd9

Contrast

#d9130d as textRatioAAAA largeAAAFix
Aaon white
5.19:1passpassfail
  • AAA: use #b2100a as the text (7.07:1)
Aaon black
4.05:1failpassfail
  • AA: use #e7150d as the text (4.51:1)
  • AAA: use #f66a65 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (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 #d9130d as the background.

Brands using this color

Fonts for this mood

#d9130d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d9130d
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 #d9130d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d9130d-c4a29c-62cb9c-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