Color

#100b2d

#100b2d
hex#100b2d
rgbrgb(16, 11, 45)
hslhsl(249, 61%, 11%)
oklchoklch(0.181 0.065 284.5)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0054

Tints & shades

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

Harmonies

Complementary

Open in tool →

#282d0b

#0b172d · #210b2d

#2d100b · #0b2d10

Split-complementary

Open in tool →

#2d210b · #172d0b

#2d0b17 · #282d0b · #0b2d21

Contrast

#100b2d as textRatioAAAA largeAAAFix
Aaon white
18.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #7563d9 as the text (4.54:1)
  • AAA: use #998ce3 as the text (7.21:1)
  • AA: or shift the background to #7d7d7d (4.61:1)
  • AAA: or shift the background to #9e9e9e (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 #100b2d 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

#100b2d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100b2d
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 #100b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100b2d-a79cc4-dfae4e-271f2d-e9ecf1?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