Color

#19157e

#19157e
hex#19157e
rgbrgb(25, 21, 126)
hslhsl(242, 71%, 29%)
oklchoklch(0.299 0.165 271.9)
Closest name: midnightblue (#191970)Relative luminance 0.0225

Colors that go with #19157e

Steel Blue, Charcoal 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 →

#7b7e15

#15467e · #4d157e

#7e1915 · #157e19

Split-complementary

Open in tool →

#7e4d15 · #467e15

#7e1546 · #7b7e15 · #157e4d

Contrast

#19157e as textRatioAAAA largeAAAFix
Aaon white
14.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #6b66e5 as the text (4.66:1)
  • AAA: use #918eec as the text (7.28:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #19157e 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

#19157e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19157e
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 #19157e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19157e-a29cc4-df9e4e-261f2d-e9edf1?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