Color

#190b83

#190b83
hex#190b83
rgbrgb(25, 11, 131)
hslhsl(247, 85%, 28%)
oklchoklch(0.295 0.178 272)
Closest name: Child of the Night (#220077)Relative luminance 0.0208

Colors that go with #190b83

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 →

#76840b

#0b3984 · #560b84

#84190b · #0b8419

Split-complementary

Open in tool →

#84560b · #39840b

#840b39 · #76840b · #0b8456

Contrast

#190b83 as textRatioAAAA largeAAAFix
Aaon white
14.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #705ff2 as the text (4.61:1)
  • AAA: use #9689f5 as the text (7.19:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (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 #190b83 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

#190b83 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #190b83
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 #190b83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/190b83-a59cc4-dfaa4e-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