Color

#201bb1

#201bb1
hex#201bb1
rgbrgb(32, 27, 177)
hslhsl(242, 74%, 40%)
oklchoklch(0.373 0.219 270.1)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0427

Colors that go with #201bb1

Charcoal, Steel 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 →

#acb11b

#1b61b1 · #6b1bb1

#b1201b · #1bb120

Split-complementary

Open in tool →

#b16b1b · #61b11b

#b11b61 · #acb11b · #1bb16b

Contrast

#201bb1 as textRatioAAAA largeAAAFix
Aaon white
11.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #6864e8 as the text (4.58:1)
  • AAA: use #8f8cee as the text (7.15:1)
  • AA: or shift the background to #a6a6a6 (4.66:1)
  • AAA: or shift the background to #cccccc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #201bb1 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

#201bb1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #201bb1
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 #201bb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/201bb1-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