Color

#232c57

#232c57
hex#232c57
rgbrgb(35, 44, 87)
hslhsl(230, 43%, 24%)
oklchoklch(0.309 0.078 272.2)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0285

Colors that go with #232c57

Dark Olive Green, Sea Green and Slate 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 →

#584f23

#234658 · #342358

#58232c · #2c5823

Split-complementary

Open in tool →

#583423 · #465823

#582346 · #584f23 · #235834

Contrast

#232c57 as textRatioAAAA largeAAAFix
Aaon white
13.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #5f6fbf as the text (4.51:1)
  • AAA: use #8793cf as the text (7.1:1)
  • AA: or shift the background to #969696 (4.52:1)
  • AAA: or shift the background to #bdbdbd (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #232c57 as the background.

Brands using this color

Fonts for this mood

#232c57 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #232c57
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 #232c57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/232c57-9c9ec4-df814e-231f2d-e9eef1?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