Color

#233a7b

#233a7b
hex#233a7b
rgbrgb(35, 58, 123)
hslhsl(224, 56%, 31%)
oklchoklch(0.369 0.114 266.2)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0481

Colors that go with #233a7b

Steel Blue, 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 →

#7b6423

#23677b · #37237b

#7b233a · #3a7b23

Split-complementary

Open in tool →

#7b3723 · #677b23

#7b2367 · #7b6423 · #237b37

Contrast

#233a7b as textRatioAAAA largeAAAFix
Aaon white
10.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #5071ce as the text (4.59:1)
  • AAA: use #7c95da as the text (7.17:1)
  • AA: or shift the background to #ababab (4.66:1)
  • AAA: or shift the background to #d1d1d1 (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 #233a7b 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

#233a7b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233a7b
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 #233a7b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233a7b-9ca2c4-df724e-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