Color

#23356c

#23356c
hex#23356c
rgbrgb(35, 53, 108)
hslhsl(225, 51%, 28%)
oklchoklch(0.346 0.098 267.5)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0399

Colors that go with #23356c

Steel Blue, 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 →

#6c5a23

#235a6c · #35236c

#6c2335 · #356c23

Split-complementary

Open in tool →

#6c3523 · #5a6c23

#6c235a · #6c5a23 · #236c35

Contrast

#23356c as textRatioAAAA largeAAAFix
Aaon white
11.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #5672c8 as the text (4.64:1)
  • AAA: use #8095d6 as the text (7.19:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (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 #23356c as the background.

Brands using this color

Fonts for this mood

#23356c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23356c
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 #23356c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23356c-9ca1c4-df754e-221f2d-e9eff1?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