Color

#2d173f

#2d173f
hex#2d173f
rgbrgb(45, 23, 63)
hslhsl(273, 47%, 17%)
oklchoklch(0.257 0.076 307.3)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0153

Tints & shades

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

Harmonies

Complementary

Open in tool →

#294017

#191740 · #40173e

#402d17 · #17402d

Split-complementary

Open in tool →

#3e4017 · #174019

#401917 · #294017 · #173e40

Contrast

#2d173f as textRatioAAAA largeAAAFix
Aaon white
16.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #945ac4 as the text (4.52:1)
  • AAA: use #b187d4 as the text (7.29:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d173f 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

#2d173f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d173f
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 #2d173f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d173f-b79cc4-c4cb62-2d1f2d-eae9f1?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