# #c3d4fd

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

## Values

- Hex: `#c3d4fd`
- RGB: rgb(195, 212, 253)
- HSL: hsl(222, 94%, 88%)
- OKLCH: oklch(0.871 0.06 267.4)
- Relative luminance: 0.6578
- Nearest named color: Frozen Periwinkle (#c9d1ef, Δ 1.945) — https://brandsweets.com/colors/frozen-periwinkle
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/c3d4fd

## Tints & shades

- Tints (toward white): #c9d8fd, #cedcfd, #d2dffe, #d7e3fe, #dce6fe, #e1eafe, #e6edfe, #ebf1fe, #f0f4ff, #f5f8ff
- Shades (toward black): #9cb9fc, #7099fb, #487df9, #1b5ef8, #0749e4, #063cbc, #042e8f, #032168, #02133b, #010614

## Harmonies

- Complementary: #fdecc4
- Analogous: #c4f2fd, #cfc4fd
- Triadic: #fdc4d5, #d5fdc4
- Split-complementary: #fdcfc4, #f2fdc4
- Tetradic: #fdc4f2, #fdecc4, #c4fdcf

## Colors that go with #c3d4fd

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 #c3d4fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #c3d4fd'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), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #c3d4fd 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 #c3d4fd in 5 real palettes, including Blueprint and Salesforce's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), 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 #c3d4fd, 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 #c3d4fd 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #c3d4fd: 5 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), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #c3d4fd in 5 real palettes, including Frost & Ember and Gemstone, as the accent. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Cartier (https://brandsweets.com/colors/brands/cartier-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2f6cf9 (4.53:1); AA: background → #5c5c5c (4.51:1); AAA: text → #0746da (7.25:1); AAA: background → #3d3d3d (7.32:1)
- On black (#000000): 14.16:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Mistral AI** — accent #b9daff (Δ 1.817) — 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/c3d4fd-9ca3c4-df6e4e-211f2d-e9eff1?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: "#c3d4fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.