Color

#100b6f

#100b6f
hex#100b6f
rgbrgb(16, 11, 111)
hslhsl(243, 82%, 24%)
oklchoklch(0.263 0.157 270.1)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.015

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a6f0b

#0b386f · #420b6f

#6f100b · #0b6f10

Split-complementary

Open in tool →

#6f420b · #386f0b

#6f0b38 · #6a6f0b · #0b6f42

Contrast

#100b6f as textRatioAAAA largeAAAFix
Aaon white
16.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #6861ef as the text (4.54:1)
  • AAA: use #908bf4 as the text (7.19:1)
  • AA: or shift the background to #8a8a8a (4.68:1)
  • AAA: or shift the background to #ababab (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100b6f 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

#100b6f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100b6f
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 #100b6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100b6f-a39cc4-dfa04e-261f2d-e9edf1?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