Color

#23406c

#23406c
hex#23406c
rgbrgb(35, 64, 108)
hslhsl(216, 51%, 28%)
oklchoklch(0.372 0.084 258.5)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0511

Colors that go with #23406c

Teal, Blue and Blush Pink 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 →

#6c4f23

#23656c · #2a236c

#6c2340 · #406c23

Split-complementary

Open in tool →

#6c2a23 · #656c23

#6c2365 · #6c4f23 · #236c2a

Contrast

#23406c as textRatioAAAA largeAAAFix
Aaon white
10.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #4275c2 as the text (4.56:1)
  • AAA: use #7197d1 as the text (7.05:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d4d4d4 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23406c as the background.

Brands using this color

Fonts for this mood

#23406c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23406c
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 #23406c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23406c-9ca7c4-df5f4e-201f2d-e9f0f1?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