What color is #519CEC?

#519CEC is a light, vivid blue. In RGB it is rgb(81, 156, 236), and in HSL hsl(211, 80%, 62%).

Is #519CEC accessible as text?

On white, #519CEC has a contrast ratio of 2.87:1 (fails WCAG AA for body text); on black it is 7.32:1 (passes). For text placed on #519CEC, use black for the best readability.

What is the closest Tailwind color to #519CEC?

The nearest Tailwind CSS token is blue-400 (#51A2FF).

What colors go well with #519CEC?

#519CEC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #ECA151. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #519CEC below.

Is #519CEC good for buttons?

#519CEC works well for buttons and highlights, but use black text on #519CEC — white text only reaches 2.87:1, below the 4.5:1 needed for normal-size labels.

Is #519CEC the same as CSS cornflowerblue?

No — #519CEC is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#519CEC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #519CEC

Not just a swatch — here's how #519CEC works with other colors. Named schemes with #519CEC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #519CEC Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Cornflower 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 #519CEC Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Cornflower 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 #519CEC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7FC3FF

Cornflower 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 Cornflower Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #519CEC Secondary #AEC7E4 Support #959386 Ink #16140F

Cornflower 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 Cornflower Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #519CEC Anchor #3B2924 Surface #EAE5D0 Accent #799E78 Secondary #393933

Cornflower 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 #519CEC 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 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

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 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 54/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 68/100

High

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

Surface fit 27/100

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 #519CEC

For UI

For branding

For interior

For fashion

People also use #519CEC with

Electric Blue Iris Buff 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 Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.5:1. Use

Subtle surface Use #E0EBF7 for cards and hover fills. Tint 80

Avoid beside #5168EC — 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 #519CEC 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: #519CEC;
  --color-base-rgb: 81 156 236;
  --color-base-oklch: oklch(68.1% 0.141 251.9);
  --color-50: #F1F7FE;
  --color-100: #D9EAFC;
  --color-200: #B6D5F7;
  --color-300: #84B6EB;
  --color-400: #5797DB;
  --color-500: #3478C1;
  --color-600: #2F5F93;
  --color-700: #274668;
  --color-800: #1D3044;
  --color-900: #141E29;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cornflower-blue: {
    50: '#F1F7FE',
    100: '#D9EAFC',
    200: '#B6D5F7',
    300: '#84B6EB',
    400: '#5797DB',
    500: '#3478C1',
    600: '#2F5F93',
    700: '#274668',
    800: '#1D3044',
    900: '#141E29',
  },
}

$base: #519CEC;
$base-ink: #141310;
$base-50: #F1F7FE;
$base-100: #D9EAFC;
$base-200: #B6D5F7;
$base-300: #84B6EB;
$base-400: #5797DB;
$base-500: #3478C1;
$base-600: #2F5F93;
$base-700: #274668;
$base-800: #1D3044;
$base-900: #141E29;
$base-hover: #197BE4;
$base-subtle: #D0E1F4;

{
    "color": {
        "base": {
            "value": "#519CEC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F7FE",
                "type": "color"
            },
            "100": {
                "value": "#D9EAFC",
                "type": "color"
            },
            "200": {
                "value": "#B6D5F7",
                "type": "color"
            },
            "300": {
                "value": "#84B6EB",
                "type": "color"
            },
            "400": {
                "value": "#5797DB",
                "type": "color"
            },
            "500": {
                "value": "#3478C1",
                "type": "color"
            },
            "600": {
                "value": "#2F5F93",
                "type": "color"
            },
            "700": {
                "value": "#274668",
                "type": "color"
            },
            "800": {
                "value": "#1D3044",
                "type": "color"
            },
            "900": {
                "value": "#141E29",
                "type": "color"
            }
        }
    }
}