Color

#b2012a

#b2012a
hex#b2012a
rgbrgb(178, 1, 42)
hslhsl(346, 99%, 35%)
oklchoklch(0.483 0.194 20.8)
Closest name: Akai Red (#bc012e)Relative luminance 0.0965

Colors that go with #b2012a

Royal Blue, Teal and Dark Olive Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01b288

#b20182 · #b23001

#2ab201 · #012ab2

Split-complementary

Open in tool →

#01b230 · #0182b2

#82b201 · #01b288 · #3001b2

Contrast

#b2012a as textRatioAAAA largeAAAFix
Aaon white
7.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #e90137 as the text (4.52:1)
  • AAA: use #fe5d82 as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (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 #b2012a as the background.

Brands using this color

Fonts for this mood

#b2012a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b2012a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b2012a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b2012a-c49ca1-62cb80-2d221f-f1e9ef?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