Color

#19355d

#19355d
hex#19355d
rgbrgb(25, 53, 93)
hslhsl(215, 58%, 23%)
oklchoklch(0.33 0.079 257.6)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0354

Colors that go with #19355d

Sea Green, Teal and Sienna 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 →

#5d4019

#19575d · #1e195d

#5d1935 · #355d19

Split-complementary

Open in tool →

#5d1e19 · #575d19

#5d1957 · #5d4019 · #195d1e

Contrast

#19355d as textRatioAAAA largeAAAFix
Aaon white
12.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #3a76cb as the text (4.63:1)
  • AAA: use #6a98d7 as the text (7.09:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (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 #19355d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#19355d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #19355d
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 #19355d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19355d-9ca8c4-df5d4e-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