Color

#131363

#131363
hex#131363
rgbrgb(19, 19, 99)
hslhsl(240, 68%, 23%)
oklchoklch(0.26 0.134 272)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0151

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#636313

#133b63 · #3b1363

#631313 · #136313

Split-complementary

Open in tool →

#633b13 · #3b6313

#63133b · #636313 · #13633b

Contrast

#131363 as textRatioAAAA largeAAAFix
Aaon white
16.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #6565e2 as the text (4.51:1)
  • AAA: use #9090ea as the text (7.36:1)
  • AA: or shift the background to #8a8a8a (4.68:1)
  • AAA: or shift the background to #ababab (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #131363 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

#131363 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131363
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #131363 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131363-a19cc4-df994e-251f2d-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