Color

#7a100b

#7a100b
hex#7a100b
rgbrgb(122, 16, 11)
hslhsl(3, 83%, 26%)
oklchoklch(0.373 0.14 28.9)
Closest name: Blackened Sun (#77150e)Relative luminance 0.0453

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b7479

#790b3d · #79480b

#0b7911 · #110b79

Split-complementary

Open in tool →

#0b7948 · #0b3d79

#3d790b · #0b7479 · #480b79

Contrast

#7a100b as textRatioAAAA largeAAAFix
Aaon white
11.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #e52015 as the text (4.55:1)
  • AAA: use #f16c65 as the text (7.07:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7a100b as the background.

Brands using this color

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

Fonts for this mood

#7a100b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7a100b
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 #7a100b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7a100b-c4a39c-62cb9d-2d261f-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