Color

#201f7f

#201f7f
hex#201f7f
rgbrgb(32, 31, 127)
hslhsl(241, 61%, 31%)
oklchoklch(0.319 0.155 273.6)
Closest name: midnightblue (#191970)Relative luminance 0.0282

Colors that go with #201f7f

Steel Blue, Charcoal and Cobalt 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 →

#7e7f1f

#1f4d7f · #511f7f

#7f201f · #1f7f20

Split-complementary

Open in tool →

#7f511f · #4d7f1f

#7f1f4d · #7e7f1f · #1f7f51

Contrast

#201f7f as textRatioAAAA largeAAAFix
Aaon white
13.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #6967da as the text (4.55:1)
  • AAA: use #9290e4 as the text (7.33:1)
  • AA: or shift the background to #969696 (4.54:1)
  • AAA: or shift the background to #bdbdbd (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #201f7f as the background.

Brands using this color

Fonts for this mood

#201f7f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #201f7f
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 #201f7f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/201f7f-a19cc4-df9b4e-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