What color is #5878FF?

#5878FF is a light, vivid blue. In RGB it is rgb(88, 120, 255), and in HSL hsl(229, 100%, 67%).

Is #5878FF accessible as text?

On white, #5878FF has a contrast ratio of 3.79:1 (fails WCAG AA for body text); on black it is 5.55:1 (passes). For text placed on #5878FF, use black for the best readability.

What is the closest Tailwind color to #5878FF?

The nearest Tailwind CSS token is blue-500 (#2B7FFF).

What colors go well with #5878FF?

#5878FF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #FFE057. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5878FF below.

Is #5878FF good for buttons?

#5878FF works well for buttons and highlights, but use black text on #5878FF — white text only reaches 3.79:1, below the 4.5:1 needed for normal-size labels.

Is #5878FF the same as CSS mediumslateblue?

No — #5878FF is not the CSS named color mediumslateblue, but mediumslateblue (#7B68EE) is the closest CSS named color.

#5878FF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5878FF

Not just a swatch — here's how #5878FF works with other colors. Named schemes with #5878FF in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #5878FF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7EA2FF

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

Nordic Calm Accent · 5 colors

Accent #5878FF Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

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

Coastal Morning Lead · 5 colors

Lead #5878FF Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #5878FF Secondary #9FB0E0 Support #9D8F88 Ink #18140F

Azure 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 Azure carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #5878FF Secondary #E86A73 Accent #F69250 Anchor #573B58 Surface #F7E7D7

Azure 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 #5878FF 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 41/100

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 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 78/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 74/100

High

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

Surface fit 19/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #5878FF

For UI

For branding

For interior

For fashion

People also use #5878FF with

Baby Blue Medium Slate Blue Flax Gainsboro Gunmetal Gray

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 4.9:1. Use

Subtle surface Use #E2E6FA for cards and hover fills. Tint 80

Avoid beside #7057FF — 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 #5878FF 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: #5878FF;
  --color-base-rgb: 88 120 255;
  --color-base-oklch: oklch(62.2% 0.203 269.6);
  --color-50: #F0F3FE;
  --color-100: #D8DFFD;
  --color-200: #B1BEFC;
  --color-300: #778FF8;
  --color-400: #4665EC;
  --color-500: #2243D2;
  --color-600: #23399F;
  --color-700: #1F2E70;
  --color-800: #182148;
  --color-900: #11162C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  azure: {
    50: '#F0F3FE',
    100: '#D8DFFD',
    200: '#B1BEFC',
    300: '#778FF8',
    400: '#4665EC',
    500: '#2243D2',
    600: '#23399F',
    700: '#1F2E70',
    800: '#182148',
    900: '#11162C',
  },
}

$base: #5878FF;
$base-ink: #141310;
$base-50: #F0F3FE;
$base-100: #D8DFFD;
$base-200: #B1BEFC;
$base-300: #778FF8;
$base-400: #4665EC;
$base-500: #2243D2;
$base-600: #23399F;
$base-700: #1F2E70;
$base-800: #182148;
$base-900: #11162C;
$base-hover: #123EFF;
$base-subtle: #D3DAF9;

{
    "color": {
        "base": {
            "value": "#5878FF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F3FE",
                "type": "color"
            },
            "100": {
                "value": "#D8DFFD",
                "type": "color"
            },
            "200": {
                "value": "#B1BEFC",
                "type": "color"
            },
            "300": {
                "value": "#778FF8",
                "type": "color"
            },
            "400": {
                "value": "#4665EC",
                "type": "color"
            },
            "500": {
                "value": "#2243D2",
                "type": "color"
            },
            "600": {
                "value": "#23399F",
                "type": "color"
            },
            "700": {
                "value": "#1F2E70",
                "type": "color"
            },
            "800": {
                "value": "#182148",
                "type": "color"
            },
            "900": {
                "value": "#11162C",
                "type": "color"
            }
        }
    }
}

Palettes built on #5878FF

Color Lab

Pairs with #5878FF

UI roles & guardrails

In real applications

Scales

Every model

Export