Color

#d12405

#d12405
hex#d12405
rgbrgb(209, 36, 5)
hslhsl(9, 95%, 42%)
oklchoklch(0.554 0.209 31.6)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1483

Colors that go with #d12405

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 →

#05b2d1

#d1054d · #d18a05

#05d124 · #2405d1

Split-complementary

Open in tool →

#05d18a · #054dd1

#4dd105 · #05b2d1 · #8a05d1

Contrast

#d12405 as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #ae1e04 as the text (7.03:1)
Aaon black
3.97:1failpassfail
  • AA: use #e52706 as the text (4.62:1)
  • AAA: use #fa664c as the text (7.07:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d12405 as the background.

Brands using this color

Fonts for this mood

#d12405 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d12405
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 #d12405 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d12405-c4a79c-62cba8-2d271f-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