Color

#7b100a

#7b100a
hex#7b100a
rgbrgb(123, 16, 10)
hslhsl(3, 85%, 26%)
oklchoklch(0.375 0.141 29.2)
Closest name: Blackened Sun (#77150e)Relative luminance 0.046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a757b

#7b0a3d · #7b480a

#0a7b10 · #100a7b

Split-complementary

Open in tool →

#0a7b48 · #0a3d7b

#3d7b0a · #0a757b · #480a7b

Contrast

#7b100a as textRatioAAAA largeAAAFix
Aaon white
10.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #e71d13 as the text (4.58:1)
  • AAA: use #f26a63 as the text (7.02:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7b100a 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

#7b100a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #7b100a
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 #7b100a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b100a-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