Color

#233c67

#233c67
hex#233c67
rgbrgb(35, 60, 103)
hslhsl(218, 49%, 27%)
oklchoklch(0.359 0.081 260.6)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0457

Colors that go with #233c67

Sea Green, Teal and Blue 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 →

#674e23

#235e67 · #2c2367

#67233c · #3c6723

Split-complementary

Open in tool →

#672c23 · #5e6723

#67235e · #674e23 · #23672c

Contrast

#233c67 as textRatioAAAA largeAAAFix
Aaon white
10.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #4975c1 as the text (4.6:1)
  • AAA: use #7697d0 as the text (7.11:1)
  • AA: or shift the background to #a6a6a6 (4.51:1)
  • AAA: or shift the background to #cfcfcf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233c67 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

#233c67 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233c67
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 #233c67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233c67-9ca6c4-df644e-201f2d-e9f0f1?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