Color

#20129b

#20129b
hex#20129b
rgbrgb(32, 18, 155)
hslhsl(246, 79%, 34%)
oklchoklch(0.337 0.2 272.1)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0311

Colors that go with #20129b

Steel Blue, Cobalt Blue and Crimson 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 →

#8d9b12

#12499b · #64129b

#9b2012 · #129b20

Split-complementary

Open in tool →

#9b6412 · #499b12

#9b1249 · #8d9b12 · #129b64

Contrast

#20129b as textRatioAAAA largeAAAFix
Aaon white
12.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #7264ed as the text (4.76:1)
  • AAA: use #9388f1 as the text (7.03:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (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 #20129b 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

#20129b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20129b
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 #20129b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20129b-a59cc4-dfa74e-271f2d-e9ecf1?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