Color

#152137

#152137
hex#152137
rgbrgb(21, 33, 55)
hslhsl(219, 45%, 15%)
oklchoklch(0.249 0.045 261.8)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#372b15

#153237 · #1a1537

#371521 · #213715

Split-complementary

Open in tool →

#371a15 · #323715

#371532 · #372b15 · #15371a

Contrast

#152137 as textRatioAAAA largeAAAFix
Aaon white
16.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #4e74bc as the text (4.55:1)
  • AAA: use #7a97cd as the text (7.14:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152137 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#152137 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152137
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 #152137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152137-9ca5c4-df664e-211f2d-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