Color

#236a9a

#236a9a
hex#236a9a
rgbrgb(35, 106, 154)
hslhsl(204, 63%, 37%)
oklchoklch(0.504 0.103 242.7)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.13

Colors that go with #236a9a

Charcoal, Royal Blue and Sienna 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 →

#9a5223

#239a8e · #232f9a

#9a236a · #6a9a23

Split-complementary

Open in tool →

#9a232f · #9a8e23

#8e239a · #9a5223 · #2f9a23

Contrast

#236a9a as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #1e5c85 as the text (7.18:1)
Aaon black
3.6:1failpassfail
  • AA: use #297bb3 as the text (4.58:1)
  • AAA: use #489dd5 as the text (7.06:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #236a9a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#236a9a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #236a9a
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 #236a9a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/236a9a-9cafc4-df4e5a-1f222d-e9f1f0?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