Color

#0358bf

#0358bf
hex#0358bf
rgbrgb(3, 88, 191)
hslhsl(213, 97%, 38%)
oklchoklch(0.482 0.177 258.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf6a03

#03b5bf · #0c03bf

#bf0358 · #58bf03

Split-complementary

Open in tool →

#bf0c03 · #b5bf03

#bf03b5 · #bf6a03 · #03bf0c

Contrast

#0358bf as textRatioAAAA largeAAAFix
Aaon white
6.66:1passpassfail
  • AAA: use #0353b5 as the text (7.22:1)
Aaon black
3.15:1failpassfail
  • AA: use #046ff1 as the text (4.55:1)
  • AAA: use #4597fc as the text (7.09:1)
  • AA: or shift the background to #d6d6d6 (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 #0358bf as the background.

Brands using this color

Fonts for this mood

#0358bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0358bf
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 #0358bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0358bf-9ca9c4-df584e-1f202d-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