Color

#170d2b

#170d2b
hex#170d2b
rgbrgb(23, 13, 43)
hslhsl(260, 54%, 11%)
oklchoklch(0.192 0.058 295.8)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0064

Tints & shades

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

Harmonies

Complementary

Open in tool →

#212b0d

#0d122b · #260d2b

#2b170d · #0d2b17

Split-complementary

Open in tool →

#2b260d · #122b0d

#2b0d12 · #212b0d · #0d2b26

Contrast

#170d2b as textRatioAAAA largeAAAFix
Aaon white
18.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #8762d0 as the text (4.69:1)
  • AAA: use #a589dc as the text (7.21:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170d2b as the background.

Brands using this color

Fonts for this mood

#170d2b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170d2b
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 #170d2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170d2b-ae9cc4-dfc94e-2a1f2d-e9ebf1?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