Color

#153238

#153238
hex#153238
rgbrgb(21, 50, 56)
hslhsl(190, 45%, 15%)
oklchoklch(0.298 0.036 212.9)
Closest name: Elite Teal (#133337)Relative luminance 0.0273

Colors that go with #153238

Rust, Sienna and Steel 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.

Real palettes that use #153238

Tints & shades

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

Harmonies

Complementary

Open in tool →

#371b15

#15372c · #152137

#371532 · #323715

Split-complementary

Open in tool →

#371521 · #372c15

#2c1537 · #371b15 · #213715

Contrast

#153238 as textRatioAAAA largeAAAFix
Aaon white
13.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #357e8d as the text (4.52:1)
  • AAA: use #45a2b5 as the text (7.09:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bababa (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #153238 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#153238 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #153238
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 #153238 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/153238-a2b6be-df4e7c-1f252d-e9f1ef?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