Color

#b03035

#b03035
hex#b03035
rgbrgb(176, 48, 53)
hslhsl(358, 57%, 44%)
oklchoklch(0.508 0.164 23.3)
Closest name: firebrick (#b22222)Relative luminance 0.116

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30b0ac

#b03074 · #b06c30

#35b030 · #3035b0

Split-complementary

Open in tool →

#30b06c · #3074b0

#74b030 · #30b0ac · #6c30b0

Contrast

#b03035 as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
Aaon black
3.32:1failpassfail
  • AA: use #cd474b as the text (4.6:1)
  • AAA: use #db7b7e as the text (7.15:1)
  • AA: or shift the background to #dbdbdb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b03035 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

#b03035 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b03035
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 #b03035 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b03035-c49f9c-62cb95-2d251f-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