Darkroom
Open in tool →Sepia, faded ochre and a teal shadow on aged paper — the photograph-in-a-drawer palette, tuned so it still passes AA.
Color
#385b66
#385b66
hex
#385b66rgb
rgb(56, 91, 102)hsl
hsl(194, 29%, 31%)oklch
oklch(0.449 0.044 219.8)Closest name: Arctic Nights (#345c61)Relative luminance 0.0928
Colors that go with #385b66
Steel Blue, Sienna and 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.
Steel Blue #4682b4
analogousshippedSteel Blue is #385b66's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #385b66 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped7 real palettes, including Jeep's brand system and Rolex's brand system put Blue beside #385b66, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #385b66: 4 real palettes, including Dusk and Open House, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #385b66: 4 real palettes, including Desert Road and Dusk, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #385b66 in 8 real palettes, including Codecademy's brand system and Gemstone, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #385b66: 13 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #385b66: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #385b66
Tints & shades
Harmonies
Contrast
| #385b66 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.35:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.86:1 | 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 #385b66 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
mcpConnect your agent — build around #385b66
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 #385b66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/385b66-9cb6c4-df4e72-1f242d-e9f1ef?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