Color

#a42213

#a42213
hex#a42213
rgbrgb(164, 34, 19)
hslhsl(6, 79%, 36%)
oklchoklch(0.469 0.168 30.6)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0908

Colors that go with #a42213

Royal Blue, Teal and Amber 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 →

#1396a4

#a4134d · #a46a13

#13a422 · #2213a4

Split-complementary

Open in tool →

#13a46a · #134da4

#4da413 · #1396a4 · #6a13a4

Contrast

#a42213 as textRatioAAAA largeAAAFix
Aaon white
7.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #e02e1a as the text (4.58:1)
  • AAA: use #ed7264 as the text (7.19:1)
  • AA: or shift the background to #c9c9c9 (4.5:1)
  • AAA: or shift the background to #fafafa (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a42213 as the background.

Brands using this color

Fonts for this mood

#a42213 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a42213
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 #a42213 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a42213-c4a59c-62cba3-2d271f-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