Color

#335ea3

#335ea3
hex#335ea3
rgbrgb(51, 94, 163)
hslhsl(217, 52%, 42%)
oklchoklch(0.487 0.121 259.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1135

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a37833

#3396a3 · #4033a3

#a3335e · #5ea333

Split-complementary

Open in tool →

#a34033 · #96a333

#a33396 · #a37833 · #33a340

Contrast

#335ea3 as textRatioAAAA largeAAAFix
Aaon white
6.42:1passpassfail
  • AAA: use #305797 as the text (7.15:1)
Aaon black
3.27:1failpassfail
  • AA: use #4576c4 as the text (4.64:1)
  • AAA: use #7398d3 as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (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 #335ea3 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

#335ea3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #335ea3
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 #335ea3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/335ea3-9ca7c4-df624e-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