Color

#0351a5

#0351a5
hex#0351a5
rgbrgb(3, 81, 165)
hslhsl(211, 96%, 33%)
oklchoklch(0.446 0.151 256.2)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0862

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a55703

#03a2a5 · #0603a5

#a50351 · #51a503

Split-complementary

Open in tool →

#a50603 · #a2a503

#a503a2 · #a55703 · #03a506

Contrast

#0351a5 as textRatioAAAA largeAAAFix
Aaon white
7.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #0572e6 as the text (4.56:1)
  • AAA: use #3c98fb as the text (7.08:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0351a5 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

#0351a5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0351a5
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 #0351a5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0351a5-9cabc4-df534e-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