What color is #684FE5?

#684FE5 is a medium, vivid indigo. In RGB it is rgb(104, 79, 229), and in HSL hsl(250, 74%, 60%).

Is #684FE5 accessible as text?

On white, #684FE5 has a contrast ratio of 5.47:1 (passes WCAG AA for body text); on black it is 3.84:1 (fails). For text placed on #684FE5, use white for the best readability.

What is the closest Tailwind color to #684FE5?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #684FE5?

#684FE5 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CBE44E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #684FE5 below.

Is #684FE5 good for buttons?

#684FE5 works well for buttons and highlights, but use white text on #684FE5 — black text only reaches 3.84:1, below the 4.5:1 needed for normal-size labels.

Is #684FE5 the same as CSS slateblue?

No — #684FE5 is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#684FE5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #684FE5

Not just a swatch — here's how #684FE5 works with other colors. Named schemes with #684FE5 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #684FE5 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #897BFF

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 #684FE5 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 #684FE5 Secondary #9393C7 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 #684FE5 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 #684FE5 Secondary #E86A70 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 #684FE5 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 21/100

Cool

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 50/100

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 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 83/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 79/100

High

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

Surface fit 12/100

Very low

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

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #684FE5

For UI

For branding

For interior

For fashion

People also use #684FE5 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 5.5:1. Use

Subtle surface Use #E3E0F5 for cards and hover fills. Tint 80

Avoid beside #994EE4 — 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 #684FE5 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: #684FE5;
  --color-base-rgb: 104 79 229;
  --color-base-oklch: oklch(54.3% 0.216 284.2);
  --color-50: #F3F1FE;
  --color-100: #E0DBFB;
  --color-200: #C2B8F4;
  --color-300: #9888E7;
  --color-400: #705CD6;
  --color-500: #4F39BC;
  --color-600: #42338F;
  --color-700: #332A65;
  --color-800: #251F42;
  --color-900: #181529;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F3F1FE',
    100: '#E0DBFB',
    200: '#C2B8F4',
    300: '#9888E7',
    400: '#705CD6',
    500: '#4F39BC',
    600: '#42338F',
    700: '#332A65',
    800: '#251F42',
    900: '#181529',
  },
}

$base: #684FE5;
$base-ink: #FFFFFF;
$base-50: #F3F1FE;
$base-100: #E0DBFB;
$base-200: #C2B8F4;
$base-300: #9888E7;
$base-400: #705CD6;
$base-500: #4F39BC;
$base-600: #42338F;
$base-700: #332A65;
$base-800: #251F42;
$base-900: #181529;
$base-hover: #3E20D5;
$base-subtle: #D5CFF2;

{
    "color": {
        "base": {
            "value": "#684FE5",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F1FE",
                "type": "color"
            },
            "100": {
                "value": "#E0DBFB",
                "type": "color"
            },
            "200": {
                "value": "#C2B8F4",
                "type": "color"
            },
            "300": {
                "value": "#9888E7",
                "type": "color"
            },
            "400": {
                "value": "#705CD6",
                "type": "color"
            },
            "500": {
                "value": "#4F39BC",
                "type": "color"
            },
            "600": {
                "value": "#42338F",
                "type": "color"
            },
            "700": {
                "value": "#332A65",
                "type": "color"
            },
            "800": {
                "value": "#251F42",
                "type": "color"
            },
            "900": {
                "value": "#181529",
                "type": "color"
            }
        }
    }
}