Color

#b02003

#b02003
hex#b02003
rgbrgb(176, 32, 3)
hslhsl(10, 97%, 35%)
oklchoklch(0.49 0.182 32.3)
Closest name: firebrick (#b22222)Relative luminance 0.1027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0393b0

#b0033c · #b07603

#03b020 · #2003b0

Split-complementary

Open in tool →

#03b076 · #033cb0

#3cb003 · #0393b0 · #7603b0

Contrast

#b02003 as textRatioAAAA largeAAAFix
Aaon white
6.88:1passpassfail
  • AAA: use #ab1f03 as the text (7.17:1)
Aaon black
3.05:1failpassfail
  • AA: use #e22903 as the text (4.55:1)
  • AAA: use #fc6445 as the text (7.05:1)
  • AA: or shift the background to #d1d1d1 (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 #b02003 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

#b02003 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b02003
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 #b02003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b02003-c4a79c-62cbaa-2d281f-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