Color

#16243b

#16243b
hex#16243b
rgbrgb(22, 36, 59)
hslhsl(217, 46%, 16%)
oklchoklch(0.26 0.048 259.9)
Closest name: Midnight Express (#21263a)Relative luminance 0.0175

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c2d16

#16373c · #1a163c

#3c1624 · #243c16

Split-complementary

Open in tool →

#3c1a16 · #373c16

#3c1637 · #3c2d16 · #163c1a

Contrast

#16243b as textRatioAAAA largeAAAFix
Aaon white
15.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #4975bc as the text (4.55:1)
  • AAA: use #7597cc as the text (7.05:1)
  • AA: or shift the background to #8a8a8a (4.51:1)
  • AAA: or shift the background to #b0b0b0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #16243b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#16243b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16243b
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 #16243b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16243b-9ca7c4-df624e-201f2d-e9f0f1?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