First Snow
Open in tool →Ice blue on snow-white with a deep navy — the quietest winter palette; everything is a tint of one cold hue.
Color
#37477b
#37477b
hex
#37477brgb
rgb(55, 71, 123)hsl
hsl(226, 38%, 35%)oklch
oklch(0.411 0.09 269.3)Closest name: Blue Funk (#2d4470)Relative luminance 0.0675
Colors that go with #37477b
Steel Blue, Blue and Crimson 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 #37477b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped6 real palettes, including Alaska Airlines's brand system and CVS's brand system put Blue beside #37477b, as the accent.
Crimson #dc143c
shippedCrimson is paired with #37477b in 12 real palettes, including Pepsi's brand system and Walgreens's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #37477b: 15 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #37477b in 4 real palettes, including Sapphire & Gold and Disney's brand system, as the supporting colour.
Midnight Blue #191970
shipped18 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #37477b, as that palette's text colour.
Orange Red #ff4500
shippedOrange Red is paired with #37477b in 5 real palettes, including Tumblr's brand system and NASA's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #37477b: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #37477b
Tints & shades
Harmonies
Contrast
| #37477b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.94:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.35:1 | 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 #37477b 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
#37477b reads as cool, modern. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #37477b
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 #37477b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37477b-9ca1c4-df774e-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