What color is #673CDF?

#673CDF is a medium, vivid indigo. In RGB it is rgb(103, 60, 223), and in HSL hsl(256, 72%, 55%).

Is #673CDF accessible as text?

On white, #673CDF has a contrast ratio of 6.39:1 (passes WCAG AA for body text); on black it is 3.29:1 (fails). For text placed on #673CDF, use white for the best readability.

What is the closest Tailwind color to #673CDF?

The nearest Tailwind CSS token is violet-700 (#7008E7).

What colors go well with #673CDF?

#673CDF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B3DF3A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #673CDF below.

Is #673CDF good for buttons?

#673CDF works well for buttons and highlights, but use white text on #673CDF — black text only reaches 3.29:1, below the 4.5:1 needed for normal-size labels.

Is #673CDF the same as CSS blueviolet?

No — #673CDF is not the CSS named color blueviolet, but blueviolet (#8A2BE2) is the closest CSS named color.

#673CDF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #673CDF

Not just a swatch — here's how #673CDF works with other colors. Named schemes with #673CDF in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #673CDF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #866CFD

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 #673CDF Surface #F5E5D7 Anchor #5C2141 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 #673CDF Secondary #8C88BE 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 #673CDF Accent #A5C4C3 Surface #E9D6BF 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 #673CDF 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 #673CDF 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 23/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 54/100

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 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 89/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 72/100

High

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

Surface fit 9/100

Very low

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

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #673CDF

For UI

For branding

For interior

For fashion

People also use #673CDF with

Cornflower Blue Medium Orchid Pear Gainsboro Russian Violet

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 6.4:1. Use

Subtle surface Use #E2DCF4 for cards and hover fills. Tint 80

Avoid beside #9D3ADF — 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 #673CDF 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: #673CDF;
  --color-base-rgb: 103 60 223;
  --color-base-oklch: oklch(51.1% 0.230 287.3);
  --color-50: #F5F1FD;
  --color-100: #E3DBFA;
  --color-200: #C9B9F3;
  --color-300: #A289E6;
  --color-400: #7D5DD5;
  --color-500: #5D3BBA;
  --color-600: #4C348E;
  --color-700: #3A2A64;
  --color-800: #281F42;
  --color-900: #1A1528;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F5F1FD',
    100: '#E3DBFA',
    200: '#C9B9F3',
    300: '#A289E6',
    400: '#7D5DD5',
    500: '#5D3BBA',
    600: '#4C348E',
    700: '#3A2A64',
    800: '#281F42',
    900: '#1A1528',
  },
}

$base: #673CDF;
$base-ink: #FFFFFF;
$base-50: #F5F1FD;
$base-100: #E3DBFA;
$base-200: #C9B9F3;
$base-300: #A289E6;
$base-400: #7D5DD5;
$base-500: #5D3BBA;
$base-600: #4C348E;
$base-700: #3A2A64;
$base-800: #281F42;
$base-900: #1A1528;
$base-hover: #4B1FC1;
$base-subtle: #D4CAEF;

{
    "color": {
        "base": {
            "value": "#673CDF",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F1FD",
                "type": "color"
            },
            "100": {
                "value": "#E3DBFA",
                "type": "color"
            },
            "200": {
                "value": "#C9B9F3",
                "type": "color"
            },
            "300": {
                "value": "#A289E6",
                "type": "color"
            },
            "400": {
                "value": "#7D5DD5",
                "type": "color"
            },
            "500": {
                "value": "#5D3BBA",
                "type": "color"
            },
            "600": {
                "value": "#4C348E",
                "type": "color"
            },
            "700": {
                "value": "#3A2A64",
                "type": "color"
            },
            "800": {
                "value": "#281F42",
                "type": "color"
            },
            "900": {
                "value": "#1A1528",
                "type": "color"
            }
        }
    }
}

Palettes built on #673CDF

Color Lab

Pairs with #673CDF

UI roles & guardrails

In real applications

Scales

Every model

Export