Color

#100405

#100405
hex#100405
rgbrgb(16, 4, 5)
hslhsl(355, 60%, 4%)
oklchoklch(0.131 0.026 13.9)
Closest name: Knight Rider (#0f0707)Relative luminance 0.0021

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04100f

#10040b · #100904

#051004 · #040510

Split-complementary

Open in tool →

#041009 · #040b10

#0b1004 · #04100f · #090410

Contrast

#100405 as textRatioAAAA largeAAAFix
Aaon white
20.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.04:1failfailfail
  • AA: use #d0434f as the text (4.6:1)
  • AAA: use #dd7881 as the text (7.08:1)
  • AA: or shift the background to #787878 (4.57:1)
  • AAA: or shift the background to #999999 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100405 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

#100405 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100405
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 #100405 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100405-c49e9c-62cb8f-2d241f-f1e9ee?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