Color

#b7271a

#b7271a
hex#b7271a
rgbrgb(183, 39, 26)
hslhsl(5, 75%, 41%)
oklchoklch(0.509 0.182 29.8)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1aaab7

#b71a5b · #b7761a

#1ab727 · #271ab7

Split-complementary

Open in tool →

#1ab776 · #1a5bb7

#5bb71a · #1aaab7 · #761ab7

Contrast

#b7271a as textRatioAAAA largeAAAFix
Aaon white
6.33:1passpassfail
  • AAA: use #aa2418 as the text (7.06:1)
Aaon black
3.32:1failpassfail
  • AA: use #df3020 as the text (4.58:1)
  • AAA: use #e97267 as the text (7.07:1)
  • 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 #b7271a as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#b7271a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b7271a
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 #b7271a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b7271a-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