Color

#228cd3

#228cd3
hex#228cd3
rgbrgb(34, 140, 211)
hslhsl(204, 72%, 48%)
oklchoklch(0.617 0.141 244.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.238

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d36922

#22d3c1 · #2234d3

#d3228c · #8cd322

Split-complementary

Open in tool →

#d32234 · #d3c122

#c122d3 · #d36922 · #34d322

Contrast

#228cd3 as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #1e7bb8 as the text (4.58:1)
  • AAA: use #175d8c as the text (7.04:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #3a9ddf as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #228cd3 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

#228cd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #228cd3
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 #228cd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/228cd3-9cafc4-df4e5a-1f222d-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