Color

#100505

#100505
hex#100505
rgbrgb(16, 5, 5)
hslhsl(0, 52%, 4%)
oklchoklch(0.135 0.023 20.5)
Closest name: Knight Rider (#0f0707)Relative luminance 0.0023

Tints & shades

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

Harmonies

Complementary

Open in tool →

#051010

#10050a · #100a05

#051005 · #050510

Split-complementary

Open in tool →

#05100a · #050a10

#0a1005 · #051010 · #0a0510

Contrast

#100505 as textRatioAAAA largeAAAFix
Aaon white
20.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.05:1failfailfail
  • AA: use #c74d4d as the text (4.6:1)
  • AAA: use #d77f7f as the text (7.23:1)
  • AA: or shift the background to #787878 (4.55:1)
  • AAA: or shift the background to #999999 (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 #100505 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

#100505 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100505
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 #100505 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100505-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