What color is #684ADE?

#684ADE is a medium indigo. In RGB it is rgb(104, 74, 222), and in HSL hsl(252, 69%, 58%).

Is #684ADE accessible as text?

On white, #684ADE has a contrast ratio of 5.80:1 (passes WCAG AA for body text); on black it is 3.62:1 (fails). For text placed on #684ADE, use white for the best readability.

What is the closest Tailwind color to #684ADE?

The nearest Tailwind CSS token is indigo-600 (#4F39F6).

What colors go well with #684ADE?

#684ADE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C0DE4A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #684ADE below.

Is #684ADE good for buttons?

#684ADE works well for buttons and highlights, but use white text on #684ADE — black text only reaches 3.62:1, below the 4.5:1 needed for normal-size labels.

Is #684ADE the same as CSS slateblue?

No — #684ADE is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#684ADE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #684ADE

Not just a swatch — here's how #684ADE works with other colors. Named schemes with #684ADE in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #684ADE Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #8877FC

Iris is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Iris.

Berry & Cream Lead · 5 colors

Lead #684ADE Surface #F5E5D7 Anchor #5B2142 Accent #E5C2C8 Secondary #332B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #684ADE Secondary #918FC1 Support #9D9088 Ink #18140F

Iris 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 Iris carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #684ADE Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

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

Sunset Warmth Glow · 5 colors

Glow #684ADE Secondary #E86A6F Accent #F5934C Anchor #583B57 Surface #F7E7D7

Iris glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #684ADE 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 22/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 51/100

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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 82/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 81/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 10/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 70/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #684ADE

For UI

For branding

For interior

For fashion

People also use #684ADE with

Cornflower Blue Medium Orchid Pear Gainsboro Prussian Blue

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 5.8:1. Use

Subtle surface Use #E3DFF4 for cards and hover fills. Tint 80

Avoid beside #994ADE — 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 #684ADE 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

Every model

Export

:root {
  --color-base: #684ADE;
  --color-base-rgb: 104 74 222;
  --color-base-oklch: oklch(53.0% 0.213 285.9);
  --color-50: #F4F2FD;
  --color-100: #E2DCF9;
  --color-200: #C5BAF2;
  --color-300: #9D8BE4;
  --color-400: #7760D2;
  --color-500: #563EB7;
  --color-600: #47368C;
  --color-700: #372C63;
  --color-800: #262041;
  --color-900: #191528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F4F2FD',
    100: '#E2DCF9',
    200: '#C5BAF2',
    300: '#9D8BE4',
    400: '#7760D2',
    500: '#563EB7',
    600: '#47368C',
    700: '#372C63',
    800: '#262041',
    900: '#191528',
  },
}

$base: #684ADE;
$base-ink: #FFFFFF;
$base-50: #F4F2FD;
$base-100: #E2DCF9;
$base-200: #C5BAF2;
$base-300: #9D8BE4;
$base-400: #7760D2;
$base-500: #563EB7;
$base-600: #47368C;
$base-700: #372C63;
$base-800: #262041;
$base-900: #191528;
$base-hover: #4525C8;
$base-subtle: #D5CEF0;

{
    "color": {
        "base": {
            "value": "#684ADE",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E2DCF9",
                "type": "color"
            },
            "200": {
                "value": "#C5BAF2",
                "type": "color"
            },
            "300": {
                "value": "#9D8BE4",
                "type": "color"
            },
            "400": {
                "value": "#7760D2",
                "type": "color"
            },
            "500": {
                "value": "#563EB7",
                "type": "color"
            },
            "600": {
                "value": "#47368C",
                "type": "color"
            },
            "700": {
                "value": "#372C63",
                "type": "color"
            },
            "800": {
                "value": "#262041",
                "type": "color"
            },
            "900": {
                "value": "#191528",
                "type": "color"
            }
        }
    }
}