What color is #5777EA?

#5777EA is a light, vivid blue. In RGB it is rgb(87, 119, 234), and in HSL hsl(227, 78%, 63%).

Is #5777EA accessible as text?

On white, #5777EA has a contrast ratio of 4.01:1 (fails WCAG AA for body text); on black it is 5.23:1 (passes). For text placed on #5777EA, use black for the best readability.

What is the closest Tailwind color to #5777EA?

The nearest Tailwind CSS token is blue-500 (#2B7FFF).

What colors go well with #5777EA?

#5777EA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EACA57. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5777EA below.

Is #5777EA good for buttons?

#5777EA works well for buttons and highlights, but use black text on #5777EA — white text only reaches 4.01:1, below the 4.5:1 needed for normal-size labels.

Is #5777EA the same as CSS royalblue?

No — #5777EA is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#5777EA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5777EA

Not just a swatch — here's how #5777EA works with other colors. Named schemes with #5777EA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #5777EA 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 #5777EA Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7D9FFF

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 #5777EA Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

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 #5777EA 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 #5777EA Secondary #9CABD4 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.

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Color Lab

How #5777EA 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 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 86/100

Very high

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

Surface fit 17/100

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 #5777EA

For UI

For branding

For interior

For fashion

People also use #5777EA with

Sky Blue Medium Slate Blue Saffron Gainsboro Gunmetal Gray

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 4.6:1. Use

Subtle surface Use #E2E6F7 for cards and hover fills. Tint 80

Avoid beside #6857EA — 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 #5777EA 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: #5777EA;
  --color-base-rgb: 87 119 234;
  --color-base-oklch: oklch(60.5% 0.177 268.9);
  --color-50: #F1F4FE;
  --color-100: #DAE1FB;
  --color-200: #B6C4F6;
  --color-300: #859BEA;
  --color-400: #5874DA;
  --color-500: #3653BF;
  --color-600: #304591;
  --color-700: #283667;
  --color-800: #1E2643;
  --color-900: #141929;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F1F4FE',
    100: '#DAE1FB',
    200: '#B6C4F6',
    300: '#859BEA',
    400: '#5874DA',
    500: '#3653BF',
    600: '#304591',
    700: '#283667',
    800: '#1E2643',
    900: '#141929',
  },
}

$base: #5777EA;
$base-ink: #141310;
$base-50: #F1F4FE;
$base-100: #DAE1FB;
$base-200: #B6C4F6;
$base-300: #859BEA;
$base-400: #5874DA;
$base-500: #3653BF;
$base-600: #304591;
$base-700: #283667;
$base-800: #1E2643;
$base-900: #141929;
$base-hover: #1E49E3;
$base-subtle: #D2D9F3;

{
    "color": {
        "base": {
            "value": "#5777EA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F4FE",
                "type": "color"
            },
            "100": {
                "value": "#DAE1FB",
                "type": "color"
            },
            "200": {
                "value": "#B6C4F6",
                "type": "color"
            },
            "300": {
                "value": "#859BEA",
                "type": "color"
            },
            "400": {
                "value": "#5874DA",
                "type": "color"
            },
            "500": {
                "value": "#3653BF",
                "type": "color"
            },
            "600": {
                "value": "#304591",
                "type": "color"
            },
            "700": {
                "value": "#283667",
                "type": "color"
            },
            "800": {
                "value": "#1E2643",
                "type": "color"
            },
            "900": {
                "value": "#141929",
                "type": "color"
            }
        }
    }
}

Palettes built on #5777EA

Color Lab

Pairs with #5777EA

UI roles & guardrails

In real applications

Scales

Every model

Export