Color

#233c52

#233c52
hex#233c52
rgbrgb(35, 60, 82)
hslhsl(208, 40%, 23%)
oklchoklch(0.346 0.05 246.4)
Closest name: Capital Blue (#1a4157)Relative luminance 0.042

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#523923

#235251 · #232552

#52233c · #3c5223

Split-complementary

Open in tool →

#522325 · #525123

#512352 · #523923 · #255223

Contrast

#233c52 as textRatioAAAA largeAAAFix
Aaon white
11.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #487ba8 as the text (4.67:1)
  • AAA: use #709cc2 as the text (7.22:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233c52 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

#233c52 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233c52
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #233c52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233c52-9cadc4-df4e51-1f212d-e9f1f1?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