Color

#100618

#100618
hex#100618
rgbrgb(16, 6, 24)
hslhsl(273, 60%, 6%)
oklchoklch(0.15 0.041 308.6)
Closest name: Crow (#180614)Relative luminance 0.0031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0e1806

#070618 · #180618

#181006 · #061810

Split-complementary

Open in tool →

#181806 · #061807

#180706 · #0e1806 · #061818

Contrast

#100618 as textRatioAAAA largeAAAFix
Aaon white
19.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #9a54d4 as the text (4.59:1)
  • AAA: use #b581df as the text (7.17:1)
  • AA: or shift the background to #7a7a7a (4.61:1)
  • AAA: or shift the background to #9c9c9c (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100618 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

#100618 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100618
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 #100618 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100618-b79cc4-c4cb62-2d1f2d-eae9f1?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