Color

#a3383c

#a3383c
hex#a3383c
rgbrgb(163, 56, 60)
hslhsl(358, 49%, 43%)
oklchoklch(0.495 0.141 21.8)
Closest name: brown (#a52a2a)Relative luminance 0.1094

Colors that go with #a3383c

Royal Blue, Teal and Amber 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 #a3383c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38a3a0

#a33871 · #a36a38

#3ca338 · #383ca3

Split-complementary

Open in tool →

#38a36a · #3871a3

#71a338 · #38a3a0 · #6a38a3

Contrast

#a3383c as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #9c3539 as the text (7.04:1)
Aaon black
3.19:1failpassfail
  • AA: use #c35054 as the text (4.6:1)
  • AAA: use #d37e81 as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a3383c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#a3383c reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a3383c
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 #a3383c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3383c-c49f9c-62cb95-2d251f-f1e9ed?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