# #a3c3fa

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

## Values

- Hex: `#a3c3fa`
- RGB: rgb(163, 195, 250)
- HSL: hsl(218, 90%, 81%)
- OKLCH: oklch(0.813 0.086 261.1)
- Relative luminance: 0.5372
- Nearest named color: Clear Sky (#8eccfe, Δ 3.015) — https://brandsweets.com/colors/clear-sky
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/a3c3fa

## Tints & shades

- Tints (toward white): #adc9fb, #b1ccfb, #bbd3fb, #c5d9fc, #cfdffc, #d3e3fd, #dde9fd, #e7effe, #ecf2fe, #f5f9fe
- Shades (toward black): #7caaf8, #5a93f6, #347af4, #0d61f2, #0b53d0, #0944aa, #073483, #05255c, #03173a, #010813

## Harmonies

- Complementary: #fadaa3
- Analogous: #a3effa, #afa3fa
- Triadic: #faa3c3, #c3faa3
- Split-complementary: #faafa3, #effaa3
- Tetradic: #faa3ef, #fadaa3, #a3faaf

## Colors that go with #a3c3fa

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 #a3c3fa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Harbour (https://brandsweets.com/palettes/cool#harbour), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #a3c3fa's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Calm (https://brandsweets.com/colors/brands/calm-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #a3c3fa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #a3c3fa 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), NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Uber's brand system and Canva's brand system put Blue beside #a3c3fa, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #a3c3fa in 5 real palettes, including JBL's brand system and Frost & Ember, as the supporting colour. Seen in: JBL (https://brandsweets.com/colors/brands/jbl-com), 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). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a3c3fa: 5 real palettes, including Nikon's brand system and Venmo's brand system, as the supporting colour. Seen in: Nikon (https://brandsweets.com/colors/brands/nikon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #a3c3fa: 4 real palettes, including Opensea's brand system and Patreon's brand system, as the lead colour. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #206ef3 (4.58:1); AA: background → #4f4f4f (4.58:1); AAA: text → #0a4fc7 (7.1:1); AAA: background → #333333 (7.07:1)
- On black (#000000): 11.74:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Telehealth** (modern, cool, friendly) — #2563eb, #93c5fd, #16a34a, #ffffff, #14213d — Friendly blue with a soft tint and a green all-clear — approachable care with a tech backbone. — tool: https://brandsweets.com/palettes/new/2563eb-93c5fd-16a34a-ffffff-14213d — collection: https://brandsweets.com/palettes/modern

## 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/a3c3fa-9ca6c4-df644e-201f2d-e9f0f1?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: "#a3c3fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.