Color

#135caa

#135caa
hex#135caa
rgbrgb(19, 92, 170)
hslhsl(211, 80%, 37%)
oklchoklch(0.477 0.142 254.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.107

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa6113

#13a7aa · #1513aa

#aa135c · #5caa13

Split-complementary

Open in tool →

#aa1513 · #a7aa13

#aa13a7 · #aa6113 · #13aa15

Contrast

#135caa as textRatioAAAA largeAAAFix
Aaon white
6.69:1passpassfail
Aaon black
3.14:1failpassfail
  • AA: use #1875d8 as the text (4.57:1)
  • AAA: use #4c99eb as the text (7.06:1)
  • AA: or shift the background to #d4d4d4 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #135caa as the background.

Brands using this color

Fonts for this mood

#135caa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #135caa
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 #135caa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/135caa-9cabc4-df534e-1f202d-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