Harbour
Open in tool →Steel blue and haze with a buoy orange on a pale grey — the maritime palette every port town uses for a reason.
Color
#2a3137
#2a3137
hex
#2a3137rgb
rgb(42, 49, 55)hsl
hsl(208, 13%, 19%)oklch
oklch(0.309 0.015 244.1)Closest name: Nightmare Fuel (#293135)Relative luminance 0.0296
Colors that go with #2a3137
Amber, Blue and Blush Pink 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.
Amber #ffbf00
shippedAmber is paired with #2a3137 in 10 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped17 real palettes, including Minecraft's brand system and Headspace's brand system put Blue beside #2a3137, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Blush put Blush Pink beside #2a3137, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #2a3137 in 5 real palettes, including Polaroid and Coastal, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #2a3137: 9 real palettes, including Clean Beauty and Coastal, as the lead colour.
Champagne #f7e7ce
shipped8 real palettes, including Darkroom and Forest Floor put Champagne beside #2a3137, as the surface under it.
Chocolate #d2691e
shippedChocolate shows up next to #2a3137 in 4 real palettes, including Homestead and Wellness, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #2a3137 was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #2a3137
Tints & shades
Harmonies
Contrast
| #2a3137 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.18:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.59:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3137 as the background.
Brands using this color
- Raycasttext · #2f3031 · Δ1.226
- Vimeosecondary · #23313b · Δ1.231
- Bloombergsecondary · #2b333f · Δ1.45
- Hermèsaccent · #2b333f · Δ1.45
- PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainmentsecondary · #2b333f · Δ1.45
- Dockerprimary · #2c333f · Δ1.5
- Minecraftprimary · #313131 · Δ1.513
- Minecrafttext · #313131 · Δ1.513
- Asanaprimary · #273240 · Δ1.594
- Audiprimary · #2c343f · Δ1.594
- Rotten Tomatoesprimary · #2a2c32 · Δ1.681
- Amazonsecondary · #232f3e · Δ1.945
Palettes built around it
Fonts for this mood
#2a3137 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2a3137
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #2a3137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2a3137-9cadc4-df4e51-1f212d-e9f1f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md