Color

#171e27

#171e27
hex#171e27
rgbrgb(23, 30, 39)
hslhsl(214, 26%, 12%)
oklchoklch(0.232 0.02 254.9)
Closest name: Night Demons (#201b20)Relative luminance 0.0126

Tints & shades

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

Harmonies

Complementary

Open in tool →

#272017

#172527 · #181727

#27171e · #1e2717

Split-complementary

Open in tool →

#271817 · #252717

#271725 · #272017 · #172718

Contrast

#171e27 as textRatioAAAA largeAAAFix
Aaon white
16.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #5b769a as the text (4.5:1)
  • AAA: use #8298b5 as the text (7.11:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #171e27 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#171e27 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #171e27
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 #171e27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/171e27-9ca9c4-df5a4e-1f1f2d-e9f0f1?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