Color

#0279d4

#0279d4
hex#0279d4
rgbrgb(2, 121, 212)
hslhsl(206, 98%, 42%)
oklchoklch(0.57 0.165 251)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1844

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d45d02

#02d4c6 · #0210d4

#d40279 · #79d402

Split-complementary

Open in tool →

#d40210 · #d4c602

#c602d4 · #d45d02 · #10d402

Contrast

#0279d4 as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #0276cf as the text (4.67:1)
  • AAA: use #02599d as the text (7.2:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail
  • AAA: use #1799fd as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0279d4 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

#0279d4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0279d4
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 #0279d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0279d4-9caec4-df4e56-1f212d-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