Color

#358fe9

#358fe9
hex#358fe9
rgbrgb(53, 143, 233)
hslhsl(210, 80%, 56%)
oklchoklch(0.641 0.159 251.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2628

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e98f35

#35e9e9 · #3535e9

#e9358f · #8fe935

Split-complementary

Open in tool →

#e93535 · #e9e935

#e935e9 · #e98f35 · #35e935

Contrast

#358fe9 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #1775d3 as the text (4.64:1)
  • AAA: use #1259a1 as the text (7.07:1)
  • AA: or shift the background to #262626 (4.51:1)
Aaon black
6.26:1passpassfail
  • AAA: use #4799eb as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #358fe9 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

#358fe9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #358fe9
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 #358fe9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/358fe9-9cabc4-df514e-1f202d-e9f1f1?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