Color

#232f8b

#232f8b
hex#232f8b
rgbrgb(35, 47, 139)
hslhsl(233, 60%, 34%)
oklchoklch(0.36 0.152 270.7)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0425

Colors that go with #232f8b

Charcoal, Steel Blue 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 →

#8b7f23

#23638b · #4b238b

#8b232f · #2f8b23

Split-complementary

Open in tool →

#8b4b23 · #638b23

#8b2363 · #8b7f23 · #238b4b

Contrast

#232f8b as textRatioAAAA largeAAAFix
Aaon white
11.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #606ed7 as the text (4.71:1)
  • AAA: use #858fe0 as the text (7:1)
  • AA: or shift the background to #a6a6a6 (4.66:1)
  • AAA: or shift the background to #cccccc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #232f8b as the background.

Brands using this color

Fonts for this mood

#232f8b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #232f8b
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 #232f8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/232f8b-9c9cc4-df884e-241f2d-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