Color

#23173a

#23173a
hex#23173a
rgbrgb(35, 23, 58)
hslhsl(261, 43%, 16%)
oklchoklch(0.24 0.065 297)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0128

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e3a17

#171d3a · #35173a

#3a2417 · #173a24

Split-complementary

Open in tool →

#3a3517 · #1d3a17

#3a171d · #2e3a17 · #173a35

Contrast

#23173a as textRatioAAAA largeAAAFix
Aaon white
16.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #8666c2 as the text (4.69:1)
  • AAA: use #a38ad0 as the text (7.1:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.04:1)

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

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

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

tool url/palettes/new/23173a-af9cc4-dfcb4e-2a1f2d-e9eaf1?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