Color

#136cb4

#136cb4
hex#136cb4
rgbrgb(19, 108, 180)
hslhsl(207, 81%, 39%)
oklchoklch(0.521 0.137 249.5)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1416

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b45b13

#13b4ac · #131bb4

#b4136c · #6cb413

Split-complementary

Open in tool →

#b4131b · #b4ac13

#ac13b4 · #b45b13 · #1bb413

Contrast

#136cb4 as textRatioAAAA largeAAAFix
Aaon white
5.48:1passpassfail
  • AAA: use #105b98 as the text (7.07:1)
Aaon black
3.83:1failpassfail
  • AA: use #1579cb as the text (4.63:1)
  • AAA: use #3d9deb as the text (7.22:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #136cb4 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

#136cb4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #136cb4
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 #136cb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/136cb4-9cadc4-df4e53-1f212d-e9f1f1?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