Color

#d70439

#d70439
hex#d70439
rgbrgb(215, 4, 57)
hslhsl(345, 96%, 43%)
oklchoklch(0.557 0.222 19.7)
Closest name: crimson (#dc143c)Relative luminance 0.1483

Colors that go with #d70439

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 →

#04d7a2

#d704a2 · #d73904

#39d704 · #0439d7

Split-complementary

Open in tool →

#04d739 · #04a2d7

#a2d704 · #04d7a2 · #3904d7

Contrast

#d70439 as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #af042e as the text (7.29:1)
Aaon black
3.97:1failpassfail
  • AA: use #eb053e as the text (4.62:1)
  • AAA: use #fc5f86 as the text (7.12:1)
  • 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 #d70439 as the background.

Brands using this color

Fonts for this mood

#d70439 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d70439
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 #d70439 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d70439-c49ca1-62cb7e-2d221f-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