What color is #4E6DDD?

#4E6DDD is a medium blue. In RGB it is rgb(78, 109, 221), and in HSL hsl(227, 68%, 59%).

Is #4E6DDD accessible as text?

On white, #4E6DDD has a contrast ratio of 4.61:1 (passes WCAG AA for body text); on black it is 4.56:1 (passes). For text placed on #4E6DDD, use white for the best readability.

What is the closest Tailwind color to #4E6DDD?

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

What colors go well with #4E6DDD?

#4E6DDD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DEBF4F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4E6DDD below.

Is #4E6DDD good for buttons?

#4E6DDD works for buttons; white text has the higher contrast, so prefer it for labels.

Is #4E6DDD the same as CSS royalblue?

No — #4E6DDD is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#4E6DDD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4E6DDD

Not just a swatch — here's how #4E6DDD works with other colors. Named schemes with #4E6DDD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4E6DDD Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Royal 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 #4E6DDD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7495FC

Royal 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 Royal Blue.

Vintage Leather Lead · 5 colors

Lead #4E6DDD Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

Royal 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 #4E6DDD Surface #F6E5D8 Anchor #5B2143 Accent #E5C2CA Secondary #322B2F

Royal 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 #4E6DDD Secondary #92A1C9 Support #9D8F88 Ink #18140F

Royal 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 Royal Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #4E6DDD 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 11/100

Cool

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

Softness 39/100

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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 47/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 93/100

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 70/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4E6DDD

For UI

For branding

For interior

For fashion

People also use #4E6DDD with

Sky Blue Slate Blue Honey Gainsboro Gunmetal Gray

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 #E0E4F4 for cards and hover fills. Tint 80

Avoid beside #604FDE — 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 #4E6DDD 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: #4E6DDD;
  --color-base-rgb: 78 109 221;
  --color-base-oklch: oklch(57.1% 0.174 268.7);
  --color-50: #F2F4FD;
  --color-100: #DCE2F9;
  --color-200: #BBC7F2;
  --color-300: #8C9FE3;
  --color-400: #6179D1;
  --color-500: #3F58B6;
  --color-600: #37498B;
  --color-700: #2C3863;
  --color-800: #202741;
  --color-900: #151928;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F2F4FD',
    100: '#DCE2F9',
    200: '#BBC7F2',
    300: '#8C9FE3',
    400: '#6179D1',
    500: '#3F58B6',
    600: '#37498B',
    700: '#2C3863',
    800: '#202741',
    900: '#151928',
  },
}

$base: #4E6DDD;
$base-ink: #FFFFFF;
$base-50: #F2F4FD;
$base-100: #DCE2F9;
$base-200: #BBC7F2;
$base-300: #8C9FE3;
$base-400: #6179D1;
$base-500: #3F58B6;
$base-600: #37498B;
$base-700: #2C3863;
$base-800: #202741;
$base-900: #151928;
$base-hover: #274ACA;
$base-subtle: #CFD6F0;

{
    "color": {
        "base": {
            "value": "#4E6DDD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F4FD",
                "type": "color"
            },
            "100": {
                "value": "#DCE2F9",
                "type": "color"
            },
            "200": {
                "value": "#BBC7F2",
                "type": "color"
            },
            "300": {
                "value": "#8C9FE3",
                "type": "color"
            },
            "400": {
                "value": "#6179D1",
                "type": "color"
            },
            "500": {
                "value": "#3F58B6",
                "type": "color"
            },
            "600": {
                "value": "#37498B",
                "type": "color"
            },
            "700": {
                "value": "#2C3863",
                "type": "color"
            },
            "800": {
                "value": "#202741",
                "type": "color"
            },
            "900": {
                "value": "#151928",
                "type": "color"
            }
        }
    }
}

Palettes built on #4E6DDD

Color Lab

Pairs with #4E6DDD

UI roles & guardrails

In real applications

Scales

Every model

Export