Color

#23359f

#23359f
hex#23359f
rgbrgb(35, 53, 159)
hslhsl(231, 64%, 38%)
oklchoklch(0.391 0.172 269)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0541

Colors that go with #23359f

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 →

#9f8c23

#23749f · #4e239f

#9f2335 · #359f23

Split-complementary

Open in tool →

#9f4e23 · #749f23

#9f2374 · #9f8c23 · #239f4e

Contrast

#23359f as textRatioAAAA largeAAAFix
Aaon white
10.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #586bda as the text (4.53:1)
  • AAA: use #8290e3 as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23359f 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

#23359f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23359f
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 #23359f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23359f-9c9ec4-df834e-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