Color

#355eb6

#355eb6
hex#355eb6
rgbrgb(53, 94, 182)
hslhsl(221, 55%, 46%)
oklchoklch(0.501 0.147 263.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1214

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b68d35

#359eb6 · #4c35b6

#b6355e · #5eb635

Split-complementary

Open in tool →

#b64c35 · #9eb635

#b6359e · #b68d35 · #35b64c

Contrast

#355eb6 as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #2f53a2 as the text (7.29:1)
Aaon black
3.43:1failpassfail
  • AA: use #4972ca as the text (4.54:1)
  • AAA: use #7997d8 as the text (7.23:1)
  • AA: or shift the background to #dedede (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 #355eb6 as the background.

Brands using this color

Fonts for this mood

#355eb6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #355eb6
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 #355eb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/355eb6-9ca4c4-df6b4e-211f2d-e9eff1?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