What color is #516CBD?

#516CBD is a medium blue. In RGB it is rgb(81, 108, 189), and in HSL hsl(225, 45%, 53%).

Is #516CBD accessible as text?

On white, #516CBD has a contrast ratio of 4.96:1 (passes WCAG AA for body text); on black it is 4.23:1 (fails). For text placed on #516CBD, use white for the best readability.

What is the closest Tailwind color to #516CBD?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #516CBD?

#516CBD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BDA251. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #516CBD below.

Is #516CBD good for buttons?

#516CBD works well for buttons and highlights, but use white text on #516CBD — black text only reaches 4.23:1, below the 4.5:1 needed for normal-size labels.

Is #516CBD the same as CSS royalblue?

No — #516CBD is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#516CBD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #516CBD

Not just a swatch — here's how #516CBD works with other colors. Named schemes with #516CBD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #516CBD Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Very Peri 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 #516CBD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7692DD

Very Peri is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Very Peri.

Vintage Leather Lead · 5 colors

Lead #516CBD Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

Very Peri 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 #516CBD Surface #F6E5D8 Anchor #5B2143 Accent #E5C2CA Secondary #322B2F

Very Peri 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 #516CBD Secondary #8F9BB8 Support #9D8F88 Ink #18140F

Very Peri 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 Very Peri carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #516CBD 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 20/100

Cool

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

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 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 99/100

Very high

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

Surface fit 18/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #516CBD

For UI

For branding

For interior

For fashion

People also use #516CBD with

Lagoon Blue Royal Purple Brass Gainsboro Charcoal

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 5.0:1. Use

Subtle surface Use #DFE3EF for cards and hover fills. Tint 80

Avoid beside #5A51BD — 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 #516CBD 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: #516CBD;
  --color-base-rgb: 81 108 189;
  --color-base-oklch: oklch(55.0% 0.130 268.1);
  --color-50: #F4F5FB;
  --color-100: #E1E6F4;
  --color-200: #C4CDE8;
  --color-300: #9BA9D5;
  --color-400: #7486BE;
  --color-500: #5367A2;
  --color-600: #45537D;
  --color-700: #353E5A;
  --color-800: #262B3B;
  --color-900: #191C25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  very-peri: {
    50: '#F4F5FB',
    100: '#E1E6F4',
    200: '#C4CDE8',
    300: '#9BA9D5',
    400: '#7486BE',
    500: '#5367A2',
    600: '#45537D',
    700: '#353E5A',
    800: '#262B3B',
    900: '#191C25',
  },
}

$base: #516CBD;
$base-ink: #FFFFFF;
$base-50: #F4F5FB;
$base-100: #E1E6F4;
$base-200: #C4CDE8;
$base-300: #9BA9D5;
$base-400: #7486BE;
$base-500: #5367A2;
$base-600: #45537D;
$base-700: #353E5A;
$base-800: #262B3B;
$base-900: #191C25;
$base-hover: #3B549D;
$base-subtle: #CFD5E7;

{
    "color": {
        "base": {
            "value": "#516CBD",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F5FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E6F4",
                "type": "color"
            },
            "200": {
                "value": "#C4CDE8",
                "type": "color"
            },
            "300": {
                "value": "#9BA9D5",
                "type": "color"
            },
            "400": {
                "value": "#7486BE",
                "type": "color"
            },
            "500": {
                "value": "#5367A2",
                "type": "color"
            },
            "600": {
                "value": "#45537D",
                "type": "color"
            },
            "700": {
                "value": "#353E5A",
                "type": "color"
            },
            "800": {
                "value": "#262B3B",
                "type": "color"
            },
            "900": {
                "value": "#191C25",
                "type": "color"
            }
        }
    }
}

Palettes built on #516CBD

Color Lab

Pairs with #516CBD

UI roles & guardrails

In real applications

Scales

Every model

Export