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
#445583
#445583
hex
#445583rgb
rgb(68, 85, 131)hsl
hsl(224, 32%, 39%)oklch
oklch(0.456 0.078 267.8)Closest name: Dusk (#4e5481)Relative luminance 0.0936
Colors that go with #445583
Sea Green, Steel Blue 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.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #445583 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
analogousshippedSteel Blue is #445583's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped4 real palettes, including CVS's brand system and Pixar's brand system put Blue beside #445583, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #445583 in 9 real palettes, including Amazon's brand system and Codecademy's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #445583: 4 real palettes, including Campbell's's brand system and Fireside, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #445583 in 4 real palettes, including Open House and Mid-Century, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #445583 in 5 real palettes, including Console Light and Fintech Trust, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #445583: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #445583
Tints & shades
Harmonies
Contrast
| #445583 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.31:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.87:1 | 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 #445583 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 #445583
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 #445583 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/445583-9ca2c4-df724e-221f2d-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