Color

#03a3bf

#03a3bf
hex#03a3bf
rgbrgb(3, 163, 191)
hslhsl(189, 97%, 38%)
oklchoklch(0.659 0.117 215.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2998

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf1f03

#03bf7d · #0345bf

#bf03a3 · #a3bf03

Split-complementary

Open in tool →

#bf0345 · #bf7d03

#7d03bf · #bf1f03 · #45bf03

Contrast

#03a3bf as textRatioAAAA largeAAAFix
Aaon white
3:1failpassfail
  • AA: use #028097 as the text (4.63:1)
  • AAA: use #025e6f as the text (7.41:1)
  • AA: or shift the background to #2e2e2e (4.52:1)
Aaon black
7:1passpassfail
  • AAA: use #03a7c4 as the text (7.33:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03a3bf 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

#03a3bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03a3bf
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 #03a3bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03a3bf-a2b7be-df4e7e-1f252d-e9f1ee?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