Color

#d3313e

#d3313e
hex#d3313e
rgbrgb(211, 49, 62)
hslhsl(355, 65%, 51%)
oklchoklch(0.572 0.197 22.3)
Closest name: Bento Box (#cc363c)Relative luminance 0.1639

Colors that go with #d3313e

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 →

#31d3c6

#d33190 · #d37531

#3ed331 · #313ed3

Split-complementary

Open in tool →

#31d375 · #3190d3

#90d331 · #31d3c6 · #7531d3

Contrast

#d3313e as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #a8242f as the text (7.1:1)
Aaon black
4.28:1failpassfail
  • AA: use #d53946 as the text (4.5:1)
  • AAA: use #e2747d as the text (7.03:1)
  • AA: or shift the background to #f5f5f5 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d3313e as the background.

Brands using this color

Fonts for this mood

#d3313e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d3313e
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 #d3313e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d3313e-c49e9c-62cb8f-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