Color

#10383d

#10383d
hex#10383d
rgbrgb(16, 56, 61)
hslhsl(187, 58%, 15%)
oklchoklch(0.315 0.045 206.7)
Closest name: Elite Teal (#133337)Relative luminance 0.0328

Colors that go with #10383d

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c1510

#103c2b · #10213c

#3c1037 · #373c10

Split-complementary

Open in tool →

#3c1021 · #3c2b10

#2b103c · #3c1510 · #213c10

Contrast

#10383d as textRatioAAAA largeAAAFix
Aaon white
12.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #25818d as the text (4.6:1)
  • AAA: use #30a6b5 as the text (7.25:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10383d as the background.

Brands using this color

Fonts for this mood

#10383d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10383d
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 #10383d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10383d-a2b8be-df4e83-1f262d-e9f1ee?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