Glacier
Open in tool →Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth.
Color
#1d78bf
#1d78bf
hex
#1d78bfrgb
rgb(29, 120, 191)hsl
hsl(206, 74%, 43%)oklch
oklch(0.558 0.137 247.8)Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1746
Colors that go with #1d78bf
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 #1d78bf: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #1d78bf — 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 #1d78bf 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 #1d78bf in 10 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent.
Blue #0000ff
shipped14 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #1d78bf, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #1d78bf: 12 real palettes, including Hershey's's brand system and General Mills's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #1d78bf: 7 real palettes, including Astro's brand system and Deep Water, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #1d78bf: 7 real palettes, including Venmo's brand system and Apple's brand system, as the lead colour.
Real palettes that use #1d78bf
Tints & shades
Harmonies
Contrast
| #1d78bf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.68:1 | pass | pass | fail |
|
Aaon black | 4.49:1 | fail | 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 #1d78bf as the background.
Brands using this color
- Dollar Generalaccent · #2a77bd · Δ0.688
- NASCARaccent · #007ac2 · Δ0.873
- American Expressprimary · #2e77bc · Δ0.953
- Hershey'saccent · #007bbd · Δ1.141
- Skechersaccent · #1973c1 · Δ1.544
- General Millsaccent · #0074c1 · Δ1.588
- Wiredprimary · #057dbc · Δ1.629
- Astroprimary · #3178c6 · Δ1.66
- FedExaccent · #007ab7 · Δ1.696
- Hondaaccent · #337ab7 · Δ1.937
Palettes built around it
Fonts for this mood
#1d78bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #1d78bf
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 #1d78bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/1d78bf-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