Color

#136bd8

#136bd8
hex#136bd8
rgbrgb(19, 107, 216)
hslhsl(213, 84%, 46%)
oklchoklch(0.544 0.185 257.4)
Closest name: royalblue (#4169e1)Relative luminance 0.1561

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d87f13

#13ced8 · #1d13d8

#d8136b · #6bd813

Split-complementary

Open in tool →

#d81d13 · #ced813

#d813ce · #d87f13 · #13d81d

Contrast

#136bd8 as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
  • AAA: use #0f56ae as the text (7.09:1)
Aaon black
4.12:1failpassfail
  • AA: use #1472e6 as the text (4.58:1)
  • AAA: use #5199f0 as the text (7.16:1)
  • AA: or shift the background to #f2f2f2 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #136bd8 as the background.

Brands using this color

Fonts for this mood

#136bd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #136bd8
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 #136bd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/136bd8-9ca9c4-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