Color

#d23742

#d23742
hex#d23742
rgbrgb(210, 55, 66)
hslhsl(356, 63%, 52%)
oklchoklch(0.576 0.191 22)
Closest name: Bento Box (#cc363c)Relative luminance 0.1683

Colors that go with #d23742

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 →

#37d2c7

#d2378f · #d27a37

#42d237 · #3742d2

Split-complementary

Open in tool →

#37d27a · #378fd2

#8fd237 · #37d2c7 · #7a37d2

Contrast

#d23742 as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #a6262e as the text (7.15:1)
Aaon black
4.37:1failpassfail
  • AA: use #d33c46 as the text (4.5:1)
  • AAA: use #e0767d as the text (7.06:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d23742 as the background.

Brands using this color

Fonts for this mood

#d23742 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d23742
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 #d23742 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d23742-c49e9c-62cb91-2d241f-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