Color

#152179

#152179
hex#152179
rgbrgb(21, 33, 121)
hslhsl(233, 70%, 28%)
oklchoklch(0.309 0.148 268.9)
Closest name: midnightblue (#191970)Relative luminance 0.0263

Colors that go with #152179

Charcoal, Steel Blue and Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#796e15

#155379 · #3c1579

#791521 · #217915

Split-complementary

Open in tool →

#793c15 · #537915

#791553 · #796e15 · #15793c

Contrast

#152179 as textRatioAAAA largeAAAFix
Aaon white
13.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #5a6ae2 as the text (4.59:1)
  • AAA: use #8691ea as the text (7.25:1)
  • AA: or shift the background to #949494 (4.54:1)
  • AAA: or shift the background to #bababa (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152179 as the background.

Brands using this color

Fonts for this mood

#152179 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152179
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 #152179 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152179-9c9cc4-df884e-241f2d-e9eef1?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