# #63b2bf

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

## Values

- Hex: `#63b2bf`
- RGB: rgb(99, 178, 191)
- HSL: hsl(188, 42%, 57%)
- OKLCH: oklch(0.718 0.08 209.2)
- Relative luminance: 0.3826
- Nearest named color: Blue Bobbin (#52b4ca, Δ 1.86) — https://brandsweets.com/colors/blue-bobbin
- Moods: cool, modern
- Page: https://brandsweets.com/colors/63b2bf

## Tints & shades

- Tints (toward white): #72bac5, #80c1cb, #8fc8d1, #9dcfd7, #afd8de, #bedfe4, #cce6ea, #dbedf0, #e9f4f6, #f8fbfc
- Shades (toward black): #51aab8, #4499a7, #3d8994, #357882, #2e6770, #25535b, #1e4348, #163236, #0d1e21, #060d0e

## Harmonies

- Complementary: #bf7063
- Analogous: #63bf9e, #6385bf
- Triadic: #bf63b3, #b3bf63
- Split-complementary: #bf6385, #bf9e63
- Tetradic: #9e63bf, #bf7063, #85bf63

## Colors that go with #63b2bf

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 #63b2bf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), N26 (https://brandsweets.com/colors/brands/n26-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #63b2bf, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Uber (https://brandsweets.com/colors/brands/uber-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #63b2bf in 4 real palettes, including Riot Games's brand system and Diner, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Diner (https://brandsweets.com/palettes/vivid#diner), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #63b2bf in 5 real palettes, including Warp's brand system and Oatmeal, as the accent. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #63b2bf: 6 real palettes, including Open House and Coca-Cola's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #63b2bf: 6 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Confluent's brand system and First Snow put Midnight Blue beside #63b2bf, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), First Snow (https://brandsweets.com/palettes/cool#first-snow), Open House (https://brandsweets.com/palettes/clean#open-house), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #63b2bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 2.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #387f8a (4.59:1); AA: background → #3b3b3b (4.61:1); AAA: text → #295d65 (7.37:1); AAA: background → #1c1c1c (7.02:1)
- On black (#000000): 8.65:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/63b2bf-a2b7be-df4e81-1f252d-e9f1ee?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: "#63b2bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.