Color

#152ba8

#152ba8
hex#152ba8
rgbrgb(21, 43, 168)
hslhsl(231, 78%, 37%)
oklchoklch(0.378 0.197 266.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0471

Colors that go with #152ba8

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 →

#a89215

#1574a8 · #4815a8

#a8152b · #2ba815

Split-complementary

Open in tool →

#a84815 · #74a815

#a81574 · #a89215 · #15a848

Contrast

#152ba8 as textRatioAAAA largeAAAFix
Aaon white
10.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5369ea as the text (4.58:1)
  • AAA: use #8091ef as the text (7.21:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152ba8 as the background.

Brands using this color

Fonts for this mood

#152ba8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152ba8
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 #152ba8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152ba8-9c9ec4-df834e-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