Color

#133290

#133290
hex#133290
rgbrgb(19, 50, 144)
hslhsl(225, 77%, 32%)
oklchoklch(0.364 0.159 265)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0443

Colors that go with #133290

Steel Blue, Blue and Denim 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 →

#907113

#137190 · #321390

#901332 · #329013

Split-complementary

Open in tool →

#903213 · #719013

#901371 · #907113 · #139032

Contrast

#133290 as textRatioAAAA largeAAAFix
Aaon white
11.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #466ee7 as the text (4.64:1)
  • AAA: use #7392ed as the text (7.06:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #133290 as the background.

Brands using this color

Fonts for this mood

#133290 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133290
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 #133290 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133290-9ca1c4-df754e-221f2d-e9eff1?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