Color

#0376ce

#0376ce
hex#0376ce
rgbrgb(3, 118, 206)
hslhsl(206, 97%, 41%)
oklchoklch(0.559 0.161 250.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1743

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce5b03

#03cec0 · #0311ce

#ce0376 · #76ce03

Split-complementary

Open in tool →

#ce0311 · #cec003

#c003ce · #ce5b03 · #11ce03

Contrast

#0376ce as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #02599c as the text (7.21:1)
Aaon black
4.49:1failpassfail
  • AA: use #0379d3 as the text (4.68:1)
  • AAA: use #1d9bfc as the text (7.15:1)
  • AA: or shift the background to #fcfcfc (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 #0376ce as the background.

Brands using this color

Fonts for this mood

#0376ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0376ce
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 #0376ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0376ce-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