Color

#d01b36

#d01b36
hex#d01b36
rgbrgb(208, 27, 54)
hslhsl(351, 77%, 46%)
oklchoklch(0.551 0.209 21.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1446

Colors that go with #d01b36

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 →

#1bd0b5

#d01b90 · #d05a1b

#36d01b · #1b36d0

Split-complementary

Open in tool →

#1bd05a · #1b90d0

#90d01b · #1bd0b5 · #5a1bd0

Contrast

#d01b36 as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #ac162d as the text (7.22:1)
Aaon black
3.89:1failpassfail
  • AA: use #e2223f as the text (4.53:1)
  • AAA: use #ec6f81 as the text (7.16:1)
  • AA: or shift the background to #ebebeb (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 #d01b36 as the background.

Brands using this color

Fonts for this mood

#d01b36 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d01b36
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 #d01b36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d01b36-c49c9e-62cb89-2d231f-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