Color

#20105b

#20105b
hex#20105b
rgbrgb(32, 16, 91)
hslhsl(253, 70%, 21%)
oklchoklch(0.256 0.124 283.2)
Closest name: Blackmail (#220066)Relative luminance 0.0143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b5b10

#10255b · #46105b

#5b2010 · #105b20

Split-complementary

Open in tool →

#5b4610 · #255b10

#5b1025 · #4b5b10 · #105b46

Contrast

#20105b as textRatioAAAA largeAAAFix
Aaon white
16.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #7b5fe3 as the text (4.59:1)
  • AAA: use #9f8aea as the text (7.3:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20105b 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

#20105b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20105b
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 #20105b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20105b-a99cc4-dfb84e-281f2d-e9ebf1?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