Color

#152133

#152133
hex#152133
rgbrgb(21, 33, 51)
hslhsl(216, 42%, 14%)
oklchoklch(0.246 0.039 258.3)
Closest name: Dark (#1b2431)Relative luminance 0.0149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#332715

#153033 · #181533

#331521 · #213315

Split-complementary

Open in tool →

#331815 · #303315

#331530 · #332715 · #153318

Contrast

#152133 as textRatioAAAA largeAAAFix
Aaon white
16.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #4a75b5 as the text (4.5:1)
  • AAA: use #7999c8 as the text (7.2:1)
  • AA: or shift the background to #878787 (4.51:1)
  • AAA: or shift the background to #ababab (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152133 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#152133 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152133
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 #152133 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152133-9ca7c4-df5f4e-201f2d-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