Color

#152138

#152138
hex#152138
rgbrgb(21, 33, 56)
hslhsl(219, 45%, 15%)
oklchoklch(0.249 0.047 262.5)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0153

Colors that go with #152138

Charcoal, Dark Olive Green and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #152138

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

#152138 as textRatioAAAA largeAAAFix
Aaon white
16.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • 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 #adadad (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152138 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#152138 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152138
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #152138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152138-9ca5c4-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