What color is #6563DF?

#6563DF is a light, soft blue-violet. In RGB it is rgb(101, 99, 223), and in HSL hsl(241, 66%, 63%).

Is #6563DF accessible as text?

On white, #6563DF has a contrast ratio of 4.77:1 (passes WCAG AA for body text); on black it is 4.40:1 (fails). For text placed on #6563DF, use white for the best readability.

What is the closest Tailwind color to #6563DF?

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

What colors go well with #6563DF?

#6563DF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DDDF62. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6563DF below.

Is #6563DF good for buttons?

#6563DF works well for buttons and highlights, but use white text on #6563DF — black text only reaches 4.40:1, below the 4.5:1 needed for normal-size labels.

Is #6563DF the same as CSS slateblue?

No — #6563DF is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#6563DF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6563DF

Not just a swatch — here's how #6563DF works with other colors. Named schemes with #6563DF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6563DF Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Iris 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

Lead #6563DF Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

Iris 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

Dominant #6563DF Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Iris 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

Lead #6563DF Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

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 #6563DF Secondary #989DC9 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.

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Color Lab

How #6563DF 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 18/100

Cool

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 46/100

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 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 90/100

Very high

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

Surface fit 14/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6563DF

For UI

For branding

For interior

For fashion

People also use #6563DF with

Maya Blue Medium Orchid Naples Yellow 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 4.8:1. Use

Subtle surface Use #E3E3F5 for cards and hover fills. Tint 80

Avoid beside #8E62DF — 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 #6563DF 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: #6563DF;
  --color-base-rgb: 101 99 223;
  --color-base-oklch: oklch(56.8% 0.184 279.5);
  --color-50: #F2F2FD;
  --color-100: #DDDCF9;
  --color-200: #BCBBF1;
  --color-300: #8E8DE2;
  --color-400: #6462D0;
  --color-500: #4240B5;
  --color-600: #39388A;
  --color-700: #2E2D62;
  --color-800: #212140;
  --color-900: #161628;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F2F2FD',
    100: '#DDDCF9',
    200: '#BCBBF1',
    300: '#8E8DE2',
    400: '#6462D0',
    500: '#4240B5',
    600: '#39388A',
    700: '#2E2D62',
    800: '#212140',
    900: '#161628',
  },
}

$base: #6563DF;
$base-ink: #FFFFFF;
$base-50: #F2F2FD;
$base-100: #DDDCF9;
$base-200: #BCBBF1;
$base-300: #8E8DE2;
$base-400: #6462D0;
$base-500: #4240B5;
$base-600: #39388A;
$base-700: #2E2D62;
$base-800: #212140;
$base-900: #161628;
$base-hover: #302DD4;
$base-subtle: #D5D4F1;

{
    "color": {
        "base": {
            "value": "#6563DF",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F2FD",
                "type": "color"
            },
            "100": {
                "value": "#DDDCF9",
                "type": "color"
            },
            "200": {
                "value": "#BCBBF1",
                "type": "color"
            },
            "300": {
                "value": "#8E8DE2",
                "type": "color"
            },
            "400": {
                "value": "#6462D0",
                "type": "color"
            },
            "500": {
                "value": "#4240B5",
                "type": "color"
            },
            "600": {
                "value": "#39388A",
                "type": "color"
            },
            "700": {
                "value": "#2E2D62",
                "type": "color"
            },
            "800": {
                "value": "#212140",
                "type": "color"
            },
            "900": {
                "value": "#161628",
                "type": "color"
            }
        }
    }
}

Palettes built on #6563DF

Color Lab

Pairs with #6563DF

UI roles & guardrails

In real applications

Scales

Every model

Export