Color

#336bdb

#336bdb
hex#336bdb
rgbrgb(51, 107, 219)
hslhsl(220, 70%, 53%)
oklchoklch(0.554 0.182 262.2)
Closest name: royalblue (#4169e1)Relative luminance 0.1633

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dba333

#33bfdb · #4f33db

#db336b · #6bdb33

Split-complementary

Open in tool →

#db4f33 · #bfdb33

#db33bf · #dba333 · #33db4f

Contrast

#336bdb as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #2052b6 as the text (7.13:1)
Aaon black
4.27:1failpassfail
  • AA: use #3c71dd as the text (4.6:1)
  • AAA: use #6c94e5 as the text (7.01:1)
  • AA: or shift the background to #f5f5f5 (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 #336bdb as the background.

Brands using this color

Fonts for this mood

#336bdb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #336bdb
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 #336bdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/336bdb-9ca5c4-df694e-211f2d-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