Color

#170f2a

#170f2a
hex#170f2a
rgbrgb(23, 15, 42)
hslhsl(258, 47%, 11%)
oklchoklch(0.195 0.053 294.7)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0069

Tints & shades

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

Harmonies

Complementary

Open in tool →

#21290f

#0f1429 · #240f29

#29170f · #0f2917

Split-complementary

Open in tool →

#29240f · #14290f

#290f14 · #21290f · #0f2924

Contrast

#170f2a as textRatioAAAA largeAAAFix
Aaon white
18.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #8365c8 as the text (4.66:1)
  • AAA: use #a18bd5 as the text (7.17:1)
  • AA: or shift the background to #808080 (4.67:1)
  • AAA: or shift the background to #a1a1a1 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170f2a as the background.

Brands using this color

Fonts for this mood

#170f2a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170f2a
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 #170f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170f2a-ad9cc4-dfc44e-291f2d-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