Color

#152da2

#152da2
hex#152da2
rgbrgb(21, 45, 162)
hslhsl(230, 77%, 36%)
oklchoklch(0.374 0.188 266.5)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0464

Colors that go with #152da2

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 →

#a28b15

#1573a2 · #4415a2

#a2152d · #2da215

Split-complementary

Open in tool →

#a24415 · #73a215

#a21573 · #a28b15 · #15a244

Contrast

#152da2 as textRatioAAAA largeAAAFix
Aaon white
10.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #536ce9 as the text (4.69:1)
  • AAA: use #7c8fee as the text (7.02:1)
  • AA: or shift the background to #a8a8a8 (4.58:1)
  • AAA: or shift the background to #d1d1d1 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152da2 as the background.

Brands using this color

Fonts for this mood

#152da2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152da2
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 #152da2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152da2-9c9ec4-df814e-231f2d-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