Glacier
Open in tool →Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth.
Named color
Haddock’s Sweater
#277aba
hex
#277abargb
rgb(39, 122, 186)hsl
hsl(206, 65%, 44%)oklch
oklch(0.562 0.126 246.4)Relative luminance 0.179
Haddock’s Sweater on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 7 public brands that use it and the palettes it appears in.
Colors that go with Haddock’s Sweater
Charcoal, Crimson and Sienna 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for Haddock’s Sweater: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with Haddock’s Sweater — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna #a0522d
complementaryshippedSienna sits directly opposite Haddock’s Sweater 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 Haddock’s Sweater in 10 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent.
Blue #0000ff
shipped13 real palettes, including Activision's brand system and Pixar's brand system put Blue beside Haddock’s Sweater, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with Haddock’s Sweater: 9 real palettes, including Hershey's's brand system and Glacier, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with Haddock’s Sweater: 7 real palettes, including Deep Water and Astro's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with Haddock’s Sweater: 6 real palettes, including Venmo's brand system and Apple's brand system, as the lead colour.
Real palettes that use Haddock’s Sweater
Tints & shades
Harmonies
Contrast
| Haddock’s Sweater as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.59:1 | pass | pass | fail |
|
Aaon black | 4.58:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with Haddock’s Sweater as the background.
Brands using this color
Palettes built around it
Fonts for this mood
Haddock’s Sweater reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around Haddock’s Sweater
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 #277aba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/277aba-9caec4-df4e56-1f212d-e9f1f1?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