Color

#231867

#231867
hex#231867
rgbrgb(35, 24, 103)
hslhsl(248, 62%, 25%)
oklchoklch(0.284 0.13 280.5)
Closest name: midnightblue (#191970)Relative luminance 0.0199

Colors that go with #231867

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 →

#5d6718

#183567 · #4a1867

#672318 · #186723

Split-complementary

Open in tool →

#674a18 · #356718

#671835 · #5d6718 · #18674a

Contrast

#231867 as textRatioAAAA largeAAAFix
Aaon white
15.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #7666db as the text (4.69:1)
  • AAA: use #978be4 as the text (7.13:1)
  • AA: or shift the background to #8f8f8f (4.64:1)
  • AAA: or shift the background to #b3b3b3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #231867 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

#231867 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231867
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 #231867 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231867-a69cc4-dfac4e-271f2d-e9ecf1?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