Color

#131259

#131259
hex#131259
rgbrgb(19, 18, 89)
hslhsl(241, 66%, 21%)
oklchoklch(0.246 0.122 273.5)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#585912

#123459 · #371259

#591312 · #125913

Split-complementary

Open in tool →

#593712 · #345912

#591234 · #585912 · #125937

Contrast

#131259 as textRatioAAAA largeAAAFix
Aaon white
16.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #6967e0 as the text (4.62:1)
  • AAA: use #8e8de8 as the text (7.13:1)
  • AA: or shift the background to #858585 (4.52:1)
  • AAA: or shift the background to #a8a8a8 (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 #131259 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

#131259 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131259
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 #131259 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131259-a19cc4-df9b4e-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