Color

#0d3bf2

#0d3bf2
hex#0d3bf2
rgbrgb(13, 59, 242)
hslhsl(228, 90%, 50%)
oklchoklch(0.482 0.269 264.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.0962

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f2c40d

#0dadf2 · #520df2

#f20d3b · #3bf20d

Split-complementary

Open in tool →

#f2520d · #adf20d

#f20dad · #f2c40d · #0df252

Contrast

#0d3bf2 as textRatioAAAA largeAAAFix
Aaon white
7.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #476af5 as the text (4.65:1)
  • AAA: use #7791f8 as the text (7.19:1)
  • AA: or shift the background to #cfcfcf (4.61:1)
  • AAA: or shift the background to #ffffff (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d3bf2 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

#0d3bf2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d3bf2
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 #0d3bf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d3bf2-9c9fc4-df7c4e-231f2d-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