Color

#23173b

#23173b
hex#23173b
rgbrgb(35, 23, 59)
hslhsl(260, 44%, 16%)
oklchoklch(0.241 0.067 296.4)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f3b17

#171d3b · #35173b

#3b2317 · #173b23

Split-complementary

Open in tool →

#3b3517 · #1d3b17

#3b171d · #2f3b17 · #173b35

Contrast

#23173b as textRatioAAAA largeAAAFix
Aaon white
16.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #8465c3 as the text (4.63:1)
  • AAA: use #a189d1 as the text (7.01:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23173b 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

#23173b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23173b
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 #23173b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23173b-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