Color

#355ab1

#355ab1
hex#355ab1
rgbrgb(53, 90, 177)
hslhsl(222, 54%, 45%)
oklchoklch(0.488 0.145 264.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1124

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b18c35

#3598b1 · #4e35b1

#b1355a · #5ab135

Split-complementary

Open in tool →

#b14e35 · #98b135

#b13598 · #b18c35 · #35b14e

Contrast

#355ab1 as textRatioAAAA largeAAAFix
Aaon white
6.46:1passpassfail
  • AAA: use #3154a5 as the text (7.14:1)
Aaon black
3.25:1failpassfail
  • AA: use #4e73ca as the text (4.63:1)
  • AAA: use #7996d7 as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #355ab1 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

#355ab1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #355ab1
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 #355ab1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/355ab1-9ca3c4-df6e4e-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