Color

#a01003

#a01003
hex#a01003
rgbrgb(160, 16, 3)
hslhsl(5, 96%, 32%)
oklchoklch(0.449 0.176 30.3)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.0785

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0393a0

#a00345 · #a05f03

#03a010 · #1003a0

Split-complementary

Open in tool →

#03a05f · #0345a0

#45a003 · #0393a0 · #5f03a0

Contrast

#a01003 as textRatioAAAA largeAAAFix
Aaon white
8.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #eb1805 as the text (4.67:1)
  • AAA: use #fc6355 as the text (7.06:1)
  • AA: or shift the background to #c2c2c2 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a01003 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

#a01003 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a01003
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 #a01003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a01003-c4a49c-62cba1-2d261f-f1e9ec?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