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
#cdd5db
#cdd5db
hex
#cdd5dbrgb
rgb(205, 213, 219)hsl
hsl(206, 16%, 83%)oklch
oklch(0.869 0.012 239.9)Closest name: Ephemeral Blue (#cbd4df)Relative luminance 0.6568
Colors that go with #cdd5db
Charcoal, Amber 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black that reads cleanly against #cdd5db without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #cdd5db in 7 real palettes, including Blueprint and Trailhead, as the accent.
Blue #0000ff
shipped4 real palettes, including Uber's brand system and Binance's brand system put Blue beside #cdd5db, as the accent.
Brown #a52a2a
shipped4 real palettes, including Woodsmoke and Velvet put Brown beside #cdd5db, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #cdd5db in 5 real palettes, including Coffee Bar and Velvet, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #cdd5db: 6 real palettes, including Estate and Coastal, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #cdd5db: 9 real palettes, including Bramble and Dusk, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #cdd5db in 6 real palettes, including Frost & Ember and Cartier's brand system, as the accent.
Real palettes that use #cdd5db
Tints & shades
Harmonies
Contrast
| #cdd5db as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.49:1 | fail | fail | fail | |
Aaon black | 14.14:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cdd5db as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#cdd5db reads as cool, muted, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #cdd5db
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 #cdd5db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/cdd5db-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