Color

#227aa0

#227aa0
hex#227aa0
rgbrgb(34, 122, 160)
hslhsl(198, 65%, 38%)
oklchoklch(0.546 0.099 231.8)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.168

Colors that go with #227aa0

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 →

#a04822

#22a087 · #223ba0

#a0227a · #7aa022

Split-complementary

Open in tool →

#a0223b · #a08722

#8722a0 · #a04822 · #3ba022

Contrast

#227aa0 as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #1a5d7a as the text (7.26:1)
Aaon black
4.36:1failpassfail
  • AA: use #237da4 as the text (4.54:1)
  • AAA: use #2da1d2 as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #227aa0 as the background.

Brands using this color

Fonts for this mood

#227aa0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #227aa0
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 #227aa0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/227aa0-9cb3c4-df4e69-1f232d-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