Color

#203ca2

#203ca2
hex#203ca2
rgbrgb(32, 60, 162)
hslhsl(227, 67%, 38%)
oklchoklch(0.405 0.168 266.6)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0615

Colors that go with #203ca2

Charcoal, Sea Green and Steel 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 →

#a28620

#207da2 · #4520a2

#a2203c · #3ca220

Split-complementary

Open in tool →

#a24520 · #7da220

#a2207d · #a28620 · #20a245

Contrast

#203ca2 as textRatioAAAA largeAAAFix
Aaon white
9.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #506fdc as the text (4.65:1)
  • AAA: use #7b92e5 as the text (7.09:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #dedede (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #203ca2 as the background.

Brands using this color

Fonts for this mood

#203ca2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #203ca2
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 #203ca2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/203ca2-9ca0c4-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