Color

#d30d32

#d30d32
hex#d30d32
rgbrgb(211, 13, 50)
hslhsl(349, 88%, 44%)
oklchoklch(0.551 0.217 21.8)
Closest name: crimson (#dc143c)Relative luminance 0.1437

Colors that go with #d30d32

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 →

#0dd3af

#d30d94 · #d34c0d

#32d30d · #0d32d3

Split-complementary

Open in tool →

#0dd34c · #0d94d3

#94d30d · #0dd3af · #4c0dd3

Contrast

#d30d32 as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #b10b2a as the text (7.12:1)
Aaon black
3.87:1failpassfail
  • AA: use #eb0f37 as the text (4.66:1)
  • AAA: use #f56680 as the text (7.09:1)
  • AA: or shift the background to #ebebeb (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 #d30d32 as the background.

Brands using this color

Fonts for this mood

#d30d32 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d30d32
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 #d30d32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d30d32-c49c9f-62cb85-2d231f-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