# #b3d5ef

A color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b3d5ef`
- RGB: rgb(179, 213, 239)
- HSL: hsl(206, 65%, 82%)
- OKLCH: oklch(0.857 0.051 241.2)
- Relative luminance: 0.634
- Nearest named color: Ariel (#aed7ea, Δ 1.19) — https://brandsweets.com/colors/ariel
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b3d5ef

## Tints & shades

- Tints (toward white): #bcdaf1, #c0dcf2, #c8e1f3, #cde3f4, #d5e8f6, #ddecf8, #e2eff9, #eaf3fb, #eef6fb, #f7fafd
- Shades (toward black): #92c2e8, #70b0e1, #52a0da, #318dd3, #2677b5, #1f6193, #184b72, #123754, #0b2132, #040b11

## Harmonies

- Complementary: #efcdb3
- Analogous: #b3efeb, #b3b7ef
- Triadic: #efb3d5, #d5efb3
- Split-complementary: #efb3b7, #efebb3
- Tetradic: #ebb3ef, #efcdb3, #b7efb3

## Colors that go with #b3d5ef

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b3d5ef: softer than #000 and cool enough to feel like part of the same palette. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Sandy Brown** #f4a460 [harmony, pool: complementary] — Sandy Brown sits directly opposite #b3d5ef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/sandybrown
- **Amber** #ffbf00 [pool] — Amber is paired with #b3d5ef in 4 real palettes, including Salesforce's brand system and Blueprint, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Brown** #a52a2a [pool] — 4 real palettes, including Woodsmoke and Velvet put Brown beside #b3d5ef, as the accent. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Velvet (https://brandsweets.com/palettes/luxury#velvet), Garnet (https://brandsweets.com/palettes/warm#garnet), Typewriter (https://brandsweets.com/palettes/editorial#typewriter). — https://brandsweets.com/colors/brown
- **Burlywood** #deb887 [pool] — Burlywood is paired with #b3d5ef in 5 real palettes, including Coastal and Velvet, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #b3d5ef: 4 real palettes, including Coastal and Estate, as the lead colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Estate (https://brandsweets.com/palettes/luxury#estate), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b3d5ef: 4 real palettes, including Bramble and Dusk, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #b3d5ef in 4 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Cartier (https://brandsweets.com/colors/brands/cartier-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #277ab9 (4.59:1); AA: background → #595959 (4.56:1); AAA: text → #1d5b8b (7.19:1); AAA: background → #3d3d3d (7.08:1)
- On black (#000000): 13.68:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Audible** — secondary #c0d2e9 (Δ 1.711) — https://brandsweets.com/colors/brands/audible-com

## Curated palettes containing it

- **Nursery** (light, muted, friendly) — #f4a6a0, #a8d8ea, #ffd97d, #fef9f3, #4a3f3a — Pastel coral, sky and butter — soft enough for a newborn brand, with warm brown text instead of harsh black. — tool: https://brandsweets.com/palettes/new/f4a6a0-a8d8ea-ffd97d-fef9f3-4a3f3a — collection: https://brandsweets.com/palettes/light
- **Macaron** (pastel, light, playful) — #f6a5c0, #a8d8ea, #c7e8b5, #fffaf7, #3f3340 — Rose, sky and pistachio at patisserie strength — the pastel trio, with a plum-grey text colour so it never washes out. — tool: https://brandsweets.com/palettes/new/f6a5c0-a8d8ea-c7e8b5-fffaf7-3f3340 — collection: https://brandsweets.com/palettes/pastel

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b3d5ef-9caec4-df4e56-1f212d-e9f1f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#b3d5ef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.