Color

#ba171a

#ba171a
hex#ba171a
rgbrgb(186, 23, 26)
hslhsl(359, 78%, 41%)
oklchoklch(0.504 0.194 27.3)
Closest name: Bullseye (#b9030a)Relative luminance 0.1113

Colors that go with #ba171a

Royal Blue, Steel Blue and Teal 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 →

#17bab7

#ba176b · #ba6617

#1aba17 · #171aba

Split-complementary

Open in tool →

#17ba66 · #176bba

#6bba17 · #17bab7 · #6617ba

Contrast

#ba171a as textRatioAAAA largeAAAFix
Aaon white
6.51:1passpassfail
  • AAA: use #b11618 as the text (7.01:1)
Aaon black
3.23:1failpassfail
  • AA: use #e42124 as the text (4.54:1)
  • AAA: use #ed6e70 as the text (7.07:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ba171a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ba171a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ba171a
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 #ba171a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ba171a-c4a09c-62cb96-2d251f-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