What color is #6474ED?

#6474ED is a light, vivid blue-violet. In RGB it is rgb(100, 116, 237), and in HSL hsl(233, 79%, 66%).

Is #6474ED accessible as text?

On white, #6474ED has a contrast ratio of 3.99:1 (fails WCAG AA for body text); on black it is 5.26:1 (passes). For text placed on #6474ED, use black for the best readability.

What is the closest Tailwind color to #6474ED?

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

What colors go well with #6474ED?

#6474ED pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EDDD64. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6474ED below.

Is #6474ED good for buttons?

#6474ED works well for buttons and highlights, but use black text on #6474ED — white text only reaches 3.99:1, below the 4.5:1 needed for normal-size labels.

Is #6474ED the same as CSS mediumslateblue?

No — #6474ED is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color.

#6474ED Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6474ED

Not just a swatch — here's how #6474ED works with other colors. Named schemes with #6474ED in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #6474ED Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Tech Product Signal · 5 colors

Signal #6474ED Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #899DFF

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

Vintage Leather Lead · 5 colors

Lead #6474ED Secondary #7F4535 Surface #EED7C2 Accent #365247 Anchor #582239

Medium Slate Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #6474ED Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Medium Slate Blue 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 #6474ED Secondary #A1ABD6 Support #9D9088 Ink #18140F

Medium Slate Blue 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 Medium Slate Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #6474ED 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 14/100

Cool

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 84/100

Very high

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

Surface fit 18/100

Very low

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

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6474ED

For UI

For branding

For interior

For fashion

People also use #6474ED with

Baby Blue Medium Purple Flax Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.7:1. Use

Subtle surface Use #E4E6F8 for cards and hover fills. Tint 80

Avoid beside #8164ED — 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 #6474ED 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: #6474ED;
  --color-base-rgb: 100 116 237;
  --color-base-oklch: oklch(60.9% 0.181 274.1);
  --color-50: #F1F2FE;
  --color-100: #DADEFC;
  --color-200: #B6BEF6;
  --color-300: #8591EB;
  --color-400: #5867DA;
  --color-500: #3545C0;
  --color-600: #303B92;
  --color-700: #282F67;
  --color-800: #1D2243;
  --color-900: #141629;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-slate-blue: {
    50: '#F1F2FE',
    100: '#DADEFC',
    200: '#B6BEF6',
    300: '#8591EB',
    400: '#5867DA',
    500: '#3545C0',
    600: '#303B92',
    700: '#282F67',
    800: '#1D2243',
    900: '#141629',
  },
}

$base: #6474ED;
$base-ink: #141310;
$base-50: #F1F2FE;
$base-100: #DADEFC;
$base-200: #B6BEF6;
$base-300: #8591EB;
$base-400: #5867DA;
$base-500: #3545C0;
$base-600: #303B92;
$base-700: #282F67;
$base-800: #1D2243;
$base-900: #141629;
$base-hover: #283EE6;
$base-subtle: #D5D9F5;

{
    "color": {
        "base": {
            "value": "#6474ED",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F2FE",
                "type": "color"
            },
            "100": {
                "value": "#DADEFC",
                "type": "color"
            },
            "200": {
                "value": "#B6BEF6",
                "type": "color"
            },
            "300": {
                "value": "#8591EB",
                "type": "color"
            },
            "400": {
                "value": "#5867DA",
                "type": "color"
            },
            "500": {
                "value": "#3545C0",
                "type": "color"
            },
            "600": {
                "value": "#303B92",
                "type": "color"
            },
            "700": {
                "value": "#282F67",
                "type": "color"
            },
            "800": {
                "value": "#1D2243",
                "type": "color"
            },
            "900": {
                "value": "#141629",
                "type": "color"
            }
        }
    }
}

Palettes built on #6474ED

Color Lab

Pairs with #6474ED

UI roles & guardrails

In real applications

Scales

Every model

Export