Color

#0478ae

#0478ae
hex#0478ae
rgbrgb(4, 120, 174)
hslhsl(199, 96%, 35%)
oklchoklch(0.545 0.121 238.7)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1651

Colors that go with #0478ae

Charcoal, Crimson and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af3a04

#04af90 · #0423af

#af0479 · #79af04

Split-complementary

Open in tool →

#af0423 · #af9004

#9004af · #af3a04 · #23af04

Contrast

#0478ae as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #035d87 as the text (7.19:1)
Aaon black
4.3:1failpassfail
  • AA: use #047cb4 as the text (4.55:1)
  • AAA: use #059fe6 as the text (7.11:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0478ae as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0478ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0478ae
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0478ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0478ae-9cb3c4-df4e66-1f232d-e9f1f0?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