Color

#201bac

#201bac
hex#201bac
rgbrgb(32, 27, 172)
hslhsl(242, 73%, 39%)
oklchoklch(0.366 0.213 270.4)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0407

Colors that go with #201bac

Charcoal, Blue and Cornflower Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a7ac1b

#1b5fac · #681bac

#ac201b · #1bac20

Split-complementary

Open in tool →

#ac681b · #5fac1b

#ac1b5f · #a7ac1b · #1bac68

Contrast

#201bac as textRatioAAAA largeAAAFix
Aaon white
11.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #6965e7 as the text (4.62:1)
  • AAA: use #908ced as the text (7.16:1)
  • AA: or shift the background to #a3a3a3 (4.59:1)
  • AAA: or shift the background to #cccccc (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 #201bac as the background.

Brands using this color

Fonts for this mood

#201bac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #201bac
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #201bac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/201bac-a29cc4-df9e4e-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