Color

#0079db

#0079db
hex#0079db
rgbrgb(0, 121, 219)
hslhsl(207, 100%, 43%)
oklchoklch(0.575 0.174 252.4)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1879

Colors that go with #0079db

Charcoal, Crimson and Copper 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 →

#db6300

#00dbd0 · #000bdb

#db0079 · #79db00

Split-complementary

Open in tool →

#db000b · #dbd000

#d000db · #db6300 · #0bdb00

Contrast

#0079db as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #0076d6 as the text (4.6:1)
  • AAA: use #005aa3 as the text (7.02:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #1f9aff as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0079db as the background.

Brands using this color

Fonts for this mood

#0079db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0079db
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 #0079db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0079db-9cadc4-df4e53-1f212d-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