What color is #4591D8?

#4591D8 is a medium blue. In RGB it is rgb(69, 145, 216), and in HSL hsl(209, 65%, 56%).

Is #4591D8 accessible as text?

On white, #4591D8 has a contrast ratio of 3.34:1 (fails WCAG AA for body text); on black it is 6.29:1 (passes). For text placed on #4591D8, use black for the best readability.

What is the closest Tailwind color to #4591D8?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #4591D8?

#4591D8 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D88C46. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4591D8 below.

Is #4591D8 good for buttons?

#4591D8 works well for buttons and highlights, but use black text on #4591D8 — white text only reaches 3.34:1, below the 4.5:1 needed for normal-size labels.

Is #4591D8 the same as CSS cornflowerblue?

No — #4591D8 is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#4591D8 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4591D8

Not just a swatch — here's how #4591D8 works with other colors. Named schemes with #4591D8 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4591D8 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Nordic Calm Accent · 5 colors

Accent #4591D8 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Ocean Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #4591D8 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #74B7F9

Ocean 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 Ocean Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #4591D8 Secondary #A2BBD4 Support #959386 Ink #16140F

Ocean 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 Ocean Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #4591D8 Anchor #3B2924 Surface #EAE5D0 Accent #799E78 Secondary #393933

Ocean Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #4591D8 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 13/100

Cool

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

Softness 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 37/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 81/100

Very high

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

Surface fit 26/100

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 #4591D8

For UI

For branding

For interior

For fashion

People also use #4591D8 with

Turquoise Iris Peru Gainsboro Charcoal

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 5.6:1. Use

Subtle surface Use #DEE9F3 for cards and hover fills. Tint 80

Avoid beside #4661D8 — 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 #4591D8 at work across the surfaces designers actually ship.

Website / UI

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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: #4591D8;
  --color-base-rgb: 69 145 216;
  --color-base-oklch: oklch(64.1% 0.131 249.2);
  --color-50: #F2F8FD;
  --color-100: #DDEBF9;
  --color-200: #BCD7F1;
  --color-300: #8EB9E2;
  --color-400: #639BCF;
  --color-500: #417CB4;
  --color-600: #386289;
  --color-700: #2D4862;
  --color-800: #213140;
  --color-900: #161F27;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F2F8FD',
    100: '#DDEBF9',
    200: '#BCD7F1',
    300: '#8EB9E2',
    400: '#639BCF',
    500: '#417CB4',
    600: '#386289',
    700: '#2D4862',
    800: '#213140',
    900: '#161F27',
  },
}

$base: #4591D8;
$base-ink: #141310;
$base-50: #F2F8FD;
$base-100: #DDEBF9;
$base-200: #BCD7F1;
$base-300: #8EB9E2;
$base-400: #639BCF;
$base-500: #417CB4;
$base-600: #386289;
$base-700: #2D4862;
$base-800: #213140;
$base-900: #161F27;
$base-hover: #2875BC;
$base-subtle: #CDDEEE;

{
    "color": {
        "base": {
            "value": "#4591D8",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F8FD",
                "type": "color"
            },
            "100": {
                "value": "#DDEBF9",
                "type": "color"
            },
            "200": {
                "value": "#BCD7F1",
                "type": "color"
            },
            "300": {
                "value": "#8EB9E2",
                "type": "color"
            },
            "400": {
                "value": "#639BCF",
                "type": "color"
            },
            "500": {
                "value": "#417CB4",
                "type": "color"
            },
            "600": {
                "value": "#386289",
                "type": "color"
            },
            "700": {
                "value": "#2D4862",
                "type": "color"
            },
            "800": {
                "value": "#213140",
                "type": "color"
            },
            "900": {
                "value": "#161F27",
                "type": "color"
            }
        }
    }
}

Palettes built on #4591D8

Color Lab

Pairs with #4591D8

UI roles & guardrails

In real applications

Scales

Every model

Export