Color

#d12e31

#d12e31
hex#d12e31
rgbrgb(209, 46, 49)
hslhsl(359, 64%, 50%)
oklchoklch(0.564 0.199 25.6)
Closest name: Bento Box (#cc363c)Relative luminance 0.1573

Colors that go with #d12e31

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 →

#2ed1ce

#d12e82 · #d17d2e

#31d12e · #2e31d1

Split-complementary

Open in tool →

#2ed17d · #2e82d1

#82d12e · #2ed1ce · #7d2ed1

Contrast

#d12e31 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #a72527 as the text (7.15:1)
Aaon black
4.15:1failpassfail
  • AA: use #d53f41 as the text (4.62:1)
  • AAA: use #e17577 as the text (7.01:1)
  • AA: or shift the background to #f2f2f2 (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 #d12e31 as the background.

Brands using this color

Fonts for this mood

#d12e31 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d12e31
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 #d12e31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d12e31-c4a09c-62cb96-2d251f-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