Color

#170f33

#170f33
hex#170f33
rgbrgb(23, 15, 51)
hslhsl(253, 55%, 13%)
oklchoklch(0.203 0.068 289.1)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b330f

#0f1933 · #290f33

#33170f · #0f3317

Split-complementary

Open in tool →

#33290f · #19330f

#330f19 · #2b330f · #0f3329

Contrast

#170f33 as textRatioAAAA largeAAAFix
Aaon white
18.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #7d65d2 as the text (4.66:1)
  • AAA: use #9e8cde as the text (7.26:1)
  • AA: or shift the background to #808080 (4.61:1)
  • AAA: or shift the background to #a1a1a1 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170f33 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

#170f33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170f33
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 #170f33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170f33-a99cc4-dfb84e-281f2d-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