Color

#20123a

#20123a
hex#20123a
rgbrgb(32, 18, 58)
hslhsl(261, 53%, 15%)
oklchoklch(0.226 0.074 296.1)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0105

Colors that go with #20123a

Charcoal, Dark Olive Green and Royal 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 →

#2c3b12

#12183b · #34123b

#3b2012 · #123b20

Split-complementary

Open in tool →

#3b3412 · #183b12

#3b1218 · #2c3b12 · #123b34

Contrast

#20123a as textRatioAAAA largeAAAFix
Aaon white
17.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #865fce as the text (4.54:1)
  • AAA: use #a68adb as the text (7.28:1)
  • AA: or shift the background to #828282 (4.52:1)
  • AAA: or shift the background to #a6a6a6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20123a 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

#20123a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #20123a
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 #20123a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/20123a-af9cc4-dfcb4e-2a1f2d-e9eaf1?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