Bookshop
Open in tool →Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.
Color
#345b43
#345b43
hex
#345b43rgb
rgb(52, 91, 67)hsl
hsl(143, 27%, 28%)oklch
oklch(0.435 0.06 155.9)Closest name: Ficus (#3b593a)Relative luminance 0.0862
Colors that go with #345b43
Denim, Orange Red and Royal 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.
Denim #1560bd
shippedDesigners have shipped Denim with #345b43: 4 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #345b43 in 4 real palettes, including Neon's brand system and HubSpot's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #345b43 in 6 real palettes, including Console Light and Subaru's brand system, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #345b43: 7 real palettes, including Pine & Birch and Darkroom, as the supporting colour.
Medium Violet Red #c71585
complementaryMedium Violet Red sits directly opposite #345b43 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped3 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #345b43, as the accent.
Champagne #f7e7ce
shipped3 real palettes, including Darkroom and Sweetgreen's brand system put Champagne beside #345b43, as the surface under it.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #345b43: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #345b43
Tints & shades
Harmonies
Contrast
| #345b43 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.71:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.72:1 | 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 #345b43 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#345b43 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #345b43
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 #345b43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/345b43-a2beb0-c859d4-1f2d2b-eaf1e9?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