What color is #6563EC?

#6563EC is a light, vivid blue-violet. In RGB it is rgb(101, 99, 236), and in HSL hsl(241, 78%, 66%).

Is #6563EC accessible as text?

On white, #6563EC has a contrast ratio of 4.62:1 (passes WCAG AA for body text); on black it is 4.55:1 (passes). For text placed on #6563EC, use white for the best readability.

What is the closest Tailwind color to #6563EC?

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

What colors go well with #6563EC?

#6563EC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EAEC65. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6563EC below.

Is #6563EC good for buttons?

#6563EC works for buttons; white text has the higher contrast, so prefer it for labels.

Is #6563EC the same as CSS mediumslateblue?

No — #6563EC is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color.

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

Palettes built on #6563EC

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

Tech Product Signal · 5 colors

Signal #6563EC Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #888DFF

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 #6563EC 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 #6563EC Secondary #9AA0D0 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 #6563EC 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.

Sunset Warmth Glow · 5 colors

Glow #6563EC Secondary #E86A71 Accent #F6934E 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 #6563EC 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 17/100

Cool

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 45/100

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 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 78/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 83/100

Very high

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

Surface fit 15/100

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 #6563EC

For UI

For branding

For interior

For fashion

People also use #6563EC 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 4.6:1. Use

Subtle surface Use #E4E4F7 for cards and hover fills. Tint 80

Avoid beside #9465EC — 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 #6563EC at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #6563EC;
  --color-base-rgb: 101 99 236;
  --color-base-oklch: oklch(57.8% 0.201 278.7);
  --color-50: #F1F1FE;
  --color-100: #DADAFB;
  --color-200: #B8B6F6;
  --color-300: #8785EA;
  --color-400: #5B58DA;
  --color-500: #3836BF;
  --color-600: #323091;
  --color-700: #292867;
  --color-800: #1E1E43;
  --color-900: #141429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F1F1FE',
    100: '#DADAFB',
    200: '#B8B6F6',
    300: '#8785EA',
    400: '#5B58DA',
    500: '#3836BF',
    600: '#323091',
    700: '#292867',
    800: '#1E1E43',
    900: '#141429',
  },
}

$base: #6563EC;
$base-ink: #FFFFFF;
$base-50: #F1F1FE;
$base-100: #DADAFB;
$base-200: #B8B6F6;
$base-300: #8785EA;
$base-400: #5B58DA;
$base-500: #3836BF;
$base-600: #323091;
$base-700: #292867;
$base-800: #1E1E43;
$base-900: #141429;
$base-hover: #2C29E5;
$base-subtle: #D6D6F4;

{
    "color": {
        "base": {
            "value": "#6563EC",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F1FE",
                "type": "color"
            },
            "100": {
                "value": "#DADAFB",
                "type": "color"
            },
            "200": {
                "value": "#B8B6F6",
                "type": "color"
            },
            "300": {
                "value": "#8785EA",
                "type": "color"
            },
            "400": {
                "value": "#5B58DA",
                "type": "color"
            },
            "500": {
                "value": "#3836BF",
                "type": "color"
            },
            "600": {
                "value": "#323091",
                "type": "color"
            },
            "700": {
                "value": "#292867",
                "type": "color"
            },
            "800": {
                "value": "#1E1E43",
                "type": "color"
            },
            "900": {
                "value": "#141429",
                "type": "color"
            }
        }
    }
}