Color
#203f40
#203f40rgb(32, 63, 64)hsl(182, 33%, 19%)oklch(0.344 0.037 198.3)Colors that go with #203f40
Teal, Rust 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.
Teal #008080
analogousshippedTeal is #203f40's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Rust #b7410e
complementaryshippedRust sits directly opposite #203f40 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #203f40 in 5 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
Blue #0000ff
shipped12 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside #203f40, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #203f40, as the supporting colour.
Burlywood #deb887
shippedBurlywood is paired with #203f40 in 4 real palettes, including Polaroid and Coastal, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #203f40: 7 real palettes, including Paper & Pine and Clean Beauty, as the supporting colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #203f40: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #203f40
Tints & shades
Harmonies
Contrast
| #203f40 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.37:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.85:1 | 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 #203f40 as the background.
Brands using this color
Fonts for this mood
#203f40 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #203f40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/203f40-a2babe-d45990-1f272d-e9f1ee?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