What color is #514BCB?

#514BCB is a medium blue-violet. In RGB it is rgb(81, 75, 203), and in HSL hsl(243, 55%, 55%).

Is #514BCB accessible as text?

On white, #514BCB has a contrast ratio of 6.52:1 (passes WCAG AA for body text); on black it is 3.22:1 (fails). For text placed on #514BCB, use white for the best readability.

What is the closest Tailwind color to #514BCB?

The nearest Tailwind CSS token is indigo-700 (#432DD7).

What colors go well with #514BCB?

#514BCB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C5CB4D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #514BCB below.

Is #514BCB good for buttons?

#514BCB works well for buttons and highlights, but use white text on #514BCB — black text only reaches 3.22:1, below the 4.5:1 needed for normal-size labels.

Is #514BCB the same as CSS slateblue?

No — #514BCB is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#514BCB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #514BCB

Not just a swatch — here's how #514BCB works with other colors. Named schemes with #514BCB in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #514BCB Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7275EA

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

Berry & Cream Lead · 5 colors

Lead #514BCB Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Cerulean 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 #514BCB Secondary #8287B4 Support #9D9088 Ink #18140F

Cerulean 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 Cerulean carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #514BCB Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

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

Sunset Warmth Glow · 5 colors

Glow #514BCB Secondary #E86A71 Accent #F6934E Anchor #583B57 Surface #F7E7D7

Cerulean glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #514BCB 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 17/100

Cool

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 54/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 52/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 74/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 88/100

Very high

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

Surface fit 8/100

Very 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 #514BCB

For UI

For branding

For interior

For fashion

People also use #514BCB with

Iceberg Dark Orchid Citrine Gainsboro Prussian Blue

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 6.5:1. Use

Subtle surface Use #E0DFF1 for cards and hover fills. Tint 80

Avoid beside #7E4DCB — 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 #514BCB 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: #514BCB;
  --color-base-rgb: 81 75 203;
  --color-base-oklch: oklch(49.7% 0.192 278.9);
  --color-50: #F3F3FC;
  --color-100: #E0DFF6;
  --color-200: #C2C0ED;
  --color-300: #9894DB;
  --color-400: #706BC7;
  --color-500: #4F4AAB;
  --color-600: #423F83;
  --color-700: #33315E;
  --color-800: #25233E;
  --color-900: #181726;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cerulean: {
    50: '#F3F3FC',
    100: '#E0DFF6',
    200: '#C2C0ED',
    300: '#9894DB',
    400: '#706BC7',
    500: '#4F4AAB',
    600: '#423F83',
    700: '#33315E',
    800: '#25233E',
    900: '#181726',
  },
}

$base: #514BCB;
$base-ink: #FFFFFF;
$base-50: #F3F3FC;
$base-100: #E0DFF6;
$base-200: #C2C0ED;
$base-300: #9894DB;
$base-400: #706BC7;
$base-500: #4F4AAB;
$base-600: #423F83;
$base-700: #33315E;
$base-800: #25233E;
$base-900: #181726;
$base-hover: #3932AE;
$base-subtle: #D0CEEB;

{
    "color": {
        "base": {
            "value": "#514BCB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E0DFF6",
                "type": "color"
            },
            "200": {
                "value": "#C2C0ED",
                "type": "color"
            },
            "300": {
                "value": "#9894DB",
                "type": "color"
            },
            "400": {
                "value": "#706BC7",
                "type": "color"
            },
            "500": {
                "value": "#4F4AAB",
                "type": "color"
            },
            "600": {
                "value": "#423F83",
                "type": "color"
            },
            "700": {
                "value": "#33315E",
                "type": "color"
            },
            "800": {
                "value": "#25233E",
                "type": "color"
            },
            "900": {
                "value": "#181726",
                "type": "color"
            }
        }
    }
}