Color

#3385ff

#3385ff
hex#3385ff
rgbrgb(51, 133, 255)
hslhsl(216, 100%, 60%)
oklchoklch(0.633 0.198 258.7)
Closest name: Azure (#007fff)Relative luminance 0.247

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffad33

#33ebff · #4733ff

#ff3385 · #85ff33

Split-complementary

Open in tool →

#ff4733 · #ebff33

#ff33eb · #ffad33 · #33ff47

Contrast

#3385ff as textRatioAAAA largeAAAFix
Aaon white
3.54:1failpassfail
  • AA: use #0a6cff as the text (4.56:1)
  • AAA: use #0050c7 as the text (7.07:1)
  • AA: or shift the background to #212121 (4.55:1)
Aaon black
5.94:1passpassfail
  • AAA: use #5297ff as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3385ff as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3385ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3385ff
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 #3385ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3385ff-9ca7c4-df5f4e-201f2d-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