Color

#910d13

#910d13
hex#910d13
rgbrgb(145, 13, 19)
hslhsl(357, 84%, 31%)
oklchoklch(0.419 0.163 26.7)
Closest name: Brick Red (#8f1402)Relative luminance 0.0635

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d918b

#910d56 · #91480d

#13910d · #0d1391

Split-complementary

Open in tool →

#0d9148 · #0d5691

#56910d · #0d918b · #480d91

Contrast

#910d13 as textRatioAAAA largeAAAFix
Aaon white
9.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #eb141f as the text (4.65:1)
  • AAA: use #f26970 as the text (7.03:1)
  • AA: or shift the background to #b5b5b5 (4.51:1)
  • AAA: or shift the background to #e0e0e0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #910d13 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#910d13 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #910d13
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 #910d13 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/910d13-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