Color

#233e4d

#233e4d
hex#233e4d
rgbrgb(35, 62, 77)
hslhsl(201, 37%, 22%)
oklchoklch(0.349 0.042 234.1)
Closest name: Cold and Dark (#154250)Relative luminance 0.0434

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d3223

#234d47 · #232a4d

#4d233e · #3e4d23

Split-complementary

Open in tool →

#4d232a · #4d4723

#47234d · #4d3223 · #2a4d23

Contrast

#233e4d as textRatioAAAA largeAAAFix
Aaon white
11.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #477d9a as the text (4.67:1)
  • AAA: use #699eba as the text (7.2:1)
  • AA: or shift the background to #a6a6a6 (4.62:1)
  • AAA: or shift the background to #cccccc (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233e4d 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

#233e4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233e4d
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 #233e4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233e4d-9cb1c4-df4e62-1f222d-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