Color

#910503

#910503
hex#910503
rgbrgb(145, 5, 3)
hslhsl(1, 96%, 29%)
oklchoklch(0.415 0.167 29.2)
Closest name: Brick Red (#8f1402)Relative luminance 0.0613

Tints & shades

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

Harmonies

Complementary

Open in tool →

#038f91

#910348 · #914c03

#039105 · #050391

Split-complementary

Open in tool →

#03914c · #034891

#489103 · #038f91 · #4c0391

Contrast

#910503 as textRatioAAAA largeAAAFix
Aaon white
9.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #eb0905 as the text (4.57:1)
  • AAA: use #fc625f as the text (7.05:1)
  • AA: or shift the background to #b5b5b5 (4.6:1)
  • AAA: or shift the background to #dedede (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 #910503 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

#910503 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #910503
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 #910503 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/910503-c4a19c-62cb9a-2d261f-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