Color

#d42145

#d42145
hex#d42145
rgbrgb(212, 33, 69)
hslhsl(348, 73%, 48%)
oklchoklch(0.564 0.209 17.7)
Closest name: crimson (#dc143c)Relative luminance 0.1551

Colors that go with #d42145

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 →

#21d4b0

#d4219e · #d45721

#45d421 · #2145d4

Split-complementary

Open in tool →

#21d457 · #219ed4

#9ed421 · #21d4b0 · #5721d4

Contrast

#d42145 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #ac1b38 as the text (7.08:1)
Aaon black
4.1:1failpassfail
  • AA: use #de2b4f as the text (4.56:1)
  • AAA: use #e9728a as the text (7.24:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d42145 as the background.

Brands using this color

Fonts for this mood

#d42145 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d42145
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 #d42145 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d42145-c49c9f-62cb83-2d231f-f1e9ef?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