Color

#0359b0

#0359b0
hex#0359b0
rgbrgb(3, 89, 176)
hslhsl(210, 97%, 35%)
oklchoklch(0.472 0.156 255.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.103

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b05903

#03b0b0 · #0303b0

#b00359 · #59b003

Split-complementary

Open in tool →

#b00303 · #b0b003

#b003b0 · #b05903 · #03b003

Contrast

#0359b0 as textRatioAAAA largeAAAFix
Aaon white
6.86:1passpassfail
  • AAA: use #0357ab as the text (7.11:1)
Aaon black
3.06:1failpassfail
  • AA: use #0373e2 as the text (4.55:1)
  • AAA: use #3699fc as the text (7.12:1)
  • AA: or shift the background to #d4d4d4 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0359b0 as the background.

Brands using this color

Fonts for this mood

#0359b0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0359b0
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 #0359b0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0359b0-9cabc4-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