Color

#c90812

#c90812
hex#c90812
rgbrgb(201, 8, 18)
hslhsl(357, 92%, 41%)
oklchoklch(0.528 0.213 27.8)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1263

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#08c9bf

#c90872 · #c95f08

#12c908 · #0812c9

Split-complementary

Open in tool →

#08c95f · #0872c9

#72c908 · #08c9bf · #5f08c9

Contrast

#c90812 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #b00710 as the text (7.28:1)
Aaon black
3.53:1failpassfail
  • AA: use #eb0a15 as the text (4.59:1)
  • AAA: use #f9676e as the text (7.19:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c90812 as the background.

Brands using this color

Fonts for this mood

#c90812 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c90812
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #c90812 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c90812-c49f9c-62cb93-2d251f-f1e9ed?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