Color

#133e72

#133e72
hex#133e72
rgbrgb(19, 62, 114)
hslhsl(213, 71%, 26%)
oklchoklch(0.365 0.101 255.5)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.048

Colors that go with #133e72

Crimson, Teal 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 →

#714713

#136d71 · #181371

#71133e · #3e7113

Split-complementary

Open in tool →

#711813 · #6d7113

#71136d · #714713 · #137118

Contrast

#133e72 as textRatioAAAA largeAAAFix
Aaon white
10.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #2474d6 as the text (4.54:1)
  • AAA: use #5e9ae4 as the text (7.22:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (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 #133e72 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

#133e72 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133e72
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 #133e72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133e72-9ca9c4-df584e-1f202d-e9f0f1?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