Color

#d30d2e

#d30d2e
hex#d30d2e
rgbrgb(211, 13, 46)
hslhsl(350, 88%, 44%)
oklchoklch(0.55 0.217 22.9)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1433

Colors that go with #d30d2e

Charcoal, Royal Blue and Steel Blue 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 →

#0dd3b2

#d30d91 · #d34f0d

#2ed30d · #0d2ed3

Split-complementary

Open in tool →

#0dd34f · #0d91d3

#91d30d · #0dd3b2 · #4f0dd3

Contrast

#d30d2e as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #b10b27 as the text (7.13:1)
Aaon black
3.87:1failpassfail
  • AA: use #eb0f34 as the text (4.65:1)
  • AAA: use #f5667e as the text (7.08:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d30d2e as the background.

Brands using this color

Fonts for this mood

#d30d2e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d30d2e
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 #d30d2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d30d2e-c49c9e-62cb87-2d231f-f1e9ee?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