Color

#223da0

#223da0
hex#223da0
rgbrgb(34, 61, 160)
hslhsl(227, 65%, 38%)
oklchoklch(0.406 0.163 266.9)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0622

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a08522

#227ca0 · #4622a0

#a0223d · #3da022

Split-complementary

Open in tool →

#a04622 · #7ca022

#a0227c · #a08522 · #22a046

Contrast

#223da0 as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #5270da as the text (4.69:1)
  • AAA: use #7d93e3 as the text (7.15:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223da0 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

#223da0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223da0
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 #223da0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223da0-9ca0c4-df7a4e-221f2d-e9eff1?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