Color

#b00707

#b00707
hex#b00707
rgbrgb(176, 7, 7)
hslhsl(0, 92%, 36%)
oklchoklch(0.478 0.193 28.8)
Closest name: All Systems Red (#b30103)Relative luminance 0.094

Colors that go with #b00707

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 →

#07b0b0

#b0075c · #b05c07

#07b007 · #0707b0

Split-complementary

Open in tool →

#07b05c · #075cb0

#5cb007 · #07b0b0 · #5c07b0

Contrast

#b00707 as textRatioAAAA largeAAAFix
Aaon white
7.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #eb0a0a as the text (4.58:1)
  • AAA: use #f96767 as the text (7.16:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b00707 as the background.

Brands using this color

Fonts for this mood

#b00707 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b00707
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 #b00707 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b00707-c4a19c-62cb98-2d251f-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