Color

#750103

#750103
hex#750103
rgbrgb(117, 1, 3)
hslhsl(359, 98%, 23%)
oklchoklch(0.354 0.144 28.5)
Closest name: Blood Brother (#770011)Relative luminance 0.0381

Tints & shades

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

Harmonies

Complementary

Open in tool →

#017472

#74013d · #743901

#037401 · #010374

Split-complementary

Open in tool →

#017439 · #013d74

#3d7401 · #017472 · #390174

Contrast

#750103 as textRatioAAAA largeAAAFix
Aaon white
11.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #ed0206 as the text (4.61:1)
  • AAA: use #fd6265 as the text (7.11:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #750103 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

#750103 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #750103
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 #750103 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/750103-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