Tide Pool
Open in tool →Sea-green and slate with a coral — a literal tide pool: two cool tones, one warm creature.
Color
#28344d
#28344d
hex
#28344drgb
rgb(40, 52, 77)hsl
hsl(221, 32%, 23%)oklch
oklch(0.326 0.048 264.3)Closest name: Blue Whale (#1e3442)Relative luminance 0.0344
Colors that go with #28344d
Dark Olive Green, Steel 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.
Dark Olive Green #556b2f
complementaryshippedDark Olive Green sits directly opposite #28344d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Steel Blue #4682b4
analogousshippedSteel Blue is #28344d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #28344d in 5 real palettes, including Rain Garden and Garden Wedding, as the accent — a combination designers have actually shipped, not a computed rotation.
Burlywood #deb887
shippedBurlywood is paired with #28344d in 4 real palettes, including Coastal and Polaroid, as the accent — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #28344d in 8 real palettes, including Open House and Coastal, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #28344d in 4 real palettes, including Blue Mono and Fintech Trust, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #28344d in 8 real palettes, including Notion's brand system and Clean Beauty — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #28344d: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #28344d
Tints & shades
Harmonies
Contrast
| #28344d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.44:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.69:1 | 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 #28344d 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
#28344d reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #28344d
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 #28344d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/28344d-9ca4c4-df6b4e-211f2d-e9eff1?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