# #5397fd

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

## Values

- Hex: `#5397fd`
- RGB: rgb(83, 151, 253)
- HSL: hsl(216, 98%, 66%)
- OKLCH: oklch(0.68 0.166 258.4)
- Relative luminance: 0.3106
- Nearest named color: cornflowerblue (#6495ed, Δ 2.679) — https://brandsweets.com/colors/cornflowerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5397fd

## Tints & shades

- Tints (toward white): #62a0fd, #72aafe, #86b6fe, #95bffe, #a4c8fe, #b3d1fe, #c2dafe, #d7e7ff, #e6f0ff, #f5f9ff
- Shades (toward black): #3585fd, #1773fd, #0260ed, #0254cf, #0248b1, #013b92, #012f74, #012151, #011532, #000814

## Harmonies

- Complementary: #fdb953
- Analogous: #53ecfd, #6453fd
- Triadic: #fd5397, #97fd53
- Split-complementary: #fd6453, #ecfd53
- Tetradic: #fd53ec, #fdb953, #53fd64

## Colors that go with #5397fd

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 #5397fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lido (https://brandsweets.com/palettes/vivid#lido), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: triadic] — Medium Sea Green completes a triad with #5397fd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/mediumseagreen
- **Tomato** #ff6347 [harmony, pool: triadic] — Tomato completes a triad with #5397fd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Replit (https://brandsweets.com/colors/brands/replit), Abstract (https://brandsweets.com/colors/brands/abstract-com), Substack (https://brandsweets.com/colors/brands/substack-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/tomato
- **Amber** #ffbf00 [pool] — Amber is paired with #5397fd in 7 real palettes, including Heatwave and Google's brand system, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Unity's brand system and Qualcomm's brand system put Blue beside #5397fd, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #5397fd in 4 real palettes, including Ahrefs's brand system and Playground, as the lead colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Playground (https://brandsweets.com/palettes/bold#playground), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #5397fd: 6 real palettes, including Figma's brand system and Blueprint. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Venmo (https://brandsweets.com/colors/brands/venmo-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5397fd: 9 real palettes, including Apple's brand system and Venmo's brand system, as the accent. Seen in: Apple (https://brandsweets.com/colors/brands/apple-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Coursera (https://brandsweets.com/colors/brands/coursera-org), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.91:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0d6dfd (4.54:1); AA: background → #303030 (4.53:1); AAA: text → #0250c5 (7.1:1); AAA: background → #050505 (7:1)
- On black (#000000): 7.21:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5397fd-9ca7c4-df5f4e-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: "#5397fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.