Named color · Blue
Tanzanite
#635DAE
Nearest named
Tanzanite
Family
Blue
Lightness
52.3%
Chroma
0.125
Hue angle
284.6°
Temperature
Cool
Contrast on white
5.66:1 · AA
Contrast on black
3.28:1 · AA Large
Web-safe
#666699
CSS oklch()
52% 0.12 285

Tanzanite is a mid-toned, cool purple. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and reproduces cleanly in print.

Palettes built on Tanzanite

Not just a swatch — here's how Tanzanite works with other colors. Named schemes with Tanzanite in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Tanzanite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Tanzanite plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Tanzanite anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Tanzanite sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Tanzanite is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Tanzanite carrying the quiet middle.

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Color Lab

How Tanzanite actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 29/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 42/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 48/100
Moderate
Mid depth — usable as an accent or a muted ground.
Naturalness 0/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 53/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 54/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 34/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 99/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 17/100
Very low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 82/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with Tanzanite

For UI
For branding
For interior
For fashion
People also use Tanzanite with

UI roles & guardrails

Primary action Safe as a filled button with white label. AA
Body text Passes on white at 16px and above. Pass
Large display Fine for headings 24px+ on white. Pass
Background Pair with white text at 5.7:1. Use
Subtle surface Use #E1E1EC for cards and hover fills. Tint 80
Avoid beside #7D5CAD — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is Tanzanite at work across the surfaces designers actually ship.

Website / UI
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #635DAE;
  --color-base-rgb: 99 93 174;
  --color-base-oklch: oklch(52.3% 0.125 284.6);
  --color-50: #F5F5FA;
  --color-100: #E4E3F2;
  --color-200: #CBC9E4;
  --color-300: #A5A2CD;
  --color-400: #817EB4;
  --color-500: #615D97;
  --color-600: #4F4C75;
  --color-700: #3C3A55;
  --color-800: #2A2938;
  --color-900: #1B1A23;
  --color-on-base: #FFFFFF;
}