Color

#170f2f

#170f2f
hex#170f2f
rgbrgb(23, 15, 47)
hslhsl(255, 52%, 12%)
oklchoklch(0.2 0.061 291.4)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#272f0f

#0f172f · #270f2f

#2f170f · #0f2f17

Split-complementary

Open in tool →

#2f270f · #172f0f

#2f0f17 · #272f0f · #0f2f27

Contrast

#170f2f as textRatioAAAA largeAAAFix
Aaon white
18.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #7e64ce as the text (4.6:1)
  • AAA: use #9f8bda as the text (7.18:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170f2f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#170f2f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170f2f
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 #170f2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170f2f-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