What color is #596FD9?

#596FD9 is a medium blue. In RGB it is rgb(89, 111, 217), and in HSL hsl(230, 63%, 60%).

Is #596FD9 accessible as text?

On white, #596FD9 has a contrast ratio of 4.47:1 (fails WCAG AA for body text); on black it is 4.70:1 (passes). For text placed on #596FD9, use black for the best readability.

What is the closest Tailwind color to #596FD9?

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

What colors go well with #596FD9?

#596FD9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D9C459. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #596FD9 below.

Is #596FD9 good for buttons?

#596FD9 works well for buttons and highlights, but use black text on #596FD9 — white text only reaches 4.47:1, below the 4.5:1 needed for normal-size labels.

Is #596FD9 the same as CSS royalblue?

No — #596FD9 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#596FD9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #596FD9

Not just a swatch — here's how #596FD9 works with other colors. Named schemes with #596FD9 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #596FD9 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 #596FD9 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7E96F9

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 #596FD9 Secondary #7F4535 Surface #EED7C2 Accent #365247 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 #596FD9 Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 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 #596FD9 Secondary #97A3C9 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 #596FD9 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 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 94/100

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 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #596FD9

For UI

For branding

For interior

For fashion

People also use #596FD9 with

Sky Blue Amethyst Saffron Gainsboro Prussian Blue

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

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

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

Background Pair with white text at 4.5:1. Use

Subtle surface Use #E1E4F4 for cards and hover fills. Tint 80

Avoid beside #6E59D9 — 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 #596FD9 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: #596FD9;
  --color-base-rgb: 89 111 217;
  --color-base-oklch: oklch(57.9% 0.163 271.6);
  --color-50: #F2F4FD;
  --color-100: #DDE2F8;
  --color-200: #BDC5F0;
  --color-300: #8F9CE0;
  --color-400: #6576CD;
  --color-500: #4355B2;
  --color-600: #3A4788;
  --color-700: #2E3661;
  --color-800: #212640;
  --color-900: #161927;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F2F4FD',
    100: '#DDE2F8',
    200: '#BDC5F0',
    300: '#8F9CE0',
    400: '#6576CD',
    500: '#4355B2',
    600: '#3A4788',
    700: '#2E3661',
    800: '#212640',
    900: '#161927',
  },
}

$base: #596FD9;
$base-ink: #141310;
$base-50: #F2F4FD;
$base-100: #DDE2F8;
$base-200: #BDC5F0;
$base-300: #8F9CE0;
$base-400: #6576CD;
$base-500: #4355B2;
$base-600: #3A4788;
$base-700: #2E3661;
$base-800: #212640;
$base-900: #161927;
$base-hover: #2D47C8;
$base-subtle: #D2D7EF;

{
    "color": {
        "base": {
            "value": "#596FD9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F4FD",
                "type": "color"
            },
            "100": {
                "value": "#DDE2F8",
                "type": "color"
            },
            "200": {
                "value": "#BDC5F0",
                "type": "color"
            },
            "300": {
                "value": "#8F9CE0",
                "type": "color"
            },
            "400": {
                "value": "#6576CD",
                "type": "color"
            },
            "500": {
                "value": "#4355B2",
                "type": "color"
            },
            "600": {
                "value": "#3A4788",
                "type": "color"
            },
            "700": {
                "value": "#2E3661",
                "type": "color"
            },
            "800": {
                "value": "#212640",
                "type": "color"
            },
            "900": {
                "value": "#161927",
                "type": "color"
            }
        }
    }
}

Palettes built on #596FD9

Color Lab

Pairs with #596FD9

UI roles & guardrails

In real applications

Scales

Every model

Export