Color

#228bb4

#228bb4
hex#228bb4
rgbrgb(34, 139, 180)
hslhsl(197, 68%, 42%)
oklchoklch(0.598 0.109 229.9)
Closest name: steelblue (#4682b4)Relative luminance 0.221

Colors that go with #228bb4

Charcoal, Crimson and Royal Blue 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 →

#b44c22

#22b494 · #2242b4

#b4228b · #8bb422

Split-complementary

Open in tool →

#b42242 · #b49422

#9422b4 · #b44c22 · #42b422

Contrast

#228bb4 as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #1f7da3 as the text (4.65:1)
  • AAA: use #175c78 as the text (7.4:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.42:1passpassfail
  • AAA: use #28a2d2 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #228bb4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#228bb4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #228bb4
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 #228bb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/228bb4-9cb4c4-df4e6b-1f232d-e9f1ef?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