Color

#170f2e

#170f2e
hex#170f2e
rgbrgb(23, 15, 46)
hslhsl(255, 51%, 12%)
oklchoklch(0.199 0.06 292)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0072

Tints & shades

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

Harmonies

Complementary

Open in tool →

#262e0f

#0f172e · #260f2e

#2e170f · #0f2e17

Split-complementary

Open in tool →

#2e260f · #172e0f

#2e0f17 · #262e0f · #0f2e26

Contrast

#170f2e as textRatioAAAA largeAAAFix
Aaon white
18.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #7f65cd as the text (4.65:1)
  • AAA: use #9f8bda as the text (7.18:1)
  • AA: or shift the background to #808080 (4.65:1)
  • AAA: or shift the background to #a1a1a1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170f2e as the background.

Brands using this color

Fonts for this mood

#170f2e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170f2e
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 #170f2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170f2e-ab9cc4-dfbd4e-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