# #b3d9fe

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

## Values

- Hex: `#b3d9fe`
- RGB: rgb(179, 217, 254)
- HSL: hsl(210, 97%, 85%)
- OKLCH: oklch(0.87 0.065 247.9)
- Relative luminance: 0.6637
- Nearest named color: Broad Daylight (#bbddff, Δ 1.499) — https://brandsweets.com/colors/broad-daylight
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b3d9fe

## Tints & shades

- Tints (toward white): #b9dbfe, #c3e0fe, #c8e3fe, #cde6fe, #d7ebfe, #dcedfe, #e1f0ff, #e6f2ff, #f0f7ff, #f5faff
- Shades (toward black): #8bc4fd, #63b0fd, #3b9cfc, #1387fb, #0373e2, #035cb5, #02478d, #023364, #011f3c, #000a14

## Harmonies

- Complementary: #fed9b4
- Analogous: #b4fefe, #b4b4fe
- Triadic: #feb4d9, #d9feb4
- Split-complementary: #feb4b4, #fefeb4
- Tetradic: #feb4fe, #fed9b4, #b4feb4

## Colors that go with #b3d9fe

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 #b3d9fe: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #b3d9fe's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #b3d9fe on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #b3d9fe 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 Velvet and Woodsmoke put Brown beside #b3d9fe, as the lead colour. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), 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 #b3d9fe 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), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b3d9fe: 4 real palettes, including Dusk and Bramble, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Bramble (https://brandsweets.com/palettes/muted#bramble), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [harmony, pool: analogous] — Cornflower Blue is #b3d9fe's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0373e2 (4.61:1); AA: background → #5c5c5c (4.54:1); AAA: text → #0357ab (7.11:1); AAA: background → #404040 (7.05:1)
- On black (#000000): 14.27:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Steam** — secondary #b3daff (Δ 0.261) — https://brandsweets.com/colors/brands/steampowered-com
- **Mistral AI** — accent #b9daff (Δ 0.804) — https://brandsweets.com/colors/brands/mistral-ai

## Curated palettes containing it

- **Blue Mono** (monochrome, cool, clean, technical) — #1e40af, #60a5fa, #bfdbfe, #f8fafc, #172554 — One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint. — tool: https://brandsweets.com/palettes/new/1e40af-60a5fa-bfdbfe-f8fafc-172554 — collection: https://brandsweets.com/palettes/monochrome

## 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/b3d9fe-9cabc4-df514e-1f202d-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: "#b3d9fe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.