Color

#230a80

#230a80
hex#230a80
rgbrgb(35, 10, 128)
hslhsl(253, 86%, 27%)
oklchoklch(0.298 0.173 277.4)
Closest name: Child of the Night (#220077)Relative luminance 0.0213

Colors that go with #230a80

Charcoal, Steel Blue and Cobalt 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 →

#66800a

#0a2b80 · #5f0a80

#80230a · #0a8023

Split-complementary

Open in tool →

#805f0a · #2b800a

#800a2b · #66800a · #0a805f

Contrast

#230a80 as textRatioAAAA largeAAAFix
Aaon white
14.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #7a59f3 as the text (4.55:1)
  • AAA: use #9c84f6 as the text (7.04:1)
  • AA: or shift the background to #8f8f8f (4.55:1)
  • AAA: or shift the background to #b3b3b3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #230a80 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

#230a80 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #230a80
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 #230a80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/230a80-a99cc4-dfb84e-281f2d-e9ebf1?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