What color is #4E78AC?

#4E78AC is a medium blue. In RGB it is rgb(78, 120, 172), and in HSL hsl(213, 38%, 49%).

Is #4E78AC accessible as text?

On white, #4E78AC has a contrast ratio of 4.56:1 (passes WCAG AA for body text); on black it is 4.61:1 (passes). For text placed on #4E78AC, use black for the best readability.

What is the closest Tailwind color to #4E78AC?

The nearest Tailwind CSS token is cyan-700 (#007595).

What colors go well with #4E78AC?

#4E78AC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AC824D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4E78AC below.

Is #4E78AC good for buttons?

#4E78AC works for buttons; black text has the higher contrast, so prefer it for labels.

Is #4E78AC the same as CSS steelblue?

No — #4E78AC is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#4E78AC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4E78AC

Not just a swatch — here's how #4E78AC works with other colors. Named schemes with #4E78AC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4E78AC Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Steel Blue 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 #4E78AC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #769DCD

Steel 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 Steel Blue.

Vintage Leather Lead · 5 colors

Lead #4E78AC Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

Steel Blue 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 #4E78AC Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB Secondary #322B2F

Steel Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #4E78AC Secondary #92A1B5 Support #9D8F89 Ink #16140F

Steel 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 Steel Blue carrying the quiet middle.

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Color Lab

How #4E78AC 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 25/100

Cool

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

Softness 48/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

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 59/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 25/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 90/100

Very high

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

Surface fit 30/100

Low

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4E78AC

For UI

For branding

For interior

For fashion

People also use #4E78AC with

Verdigris Tanzanite Copper 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 4.6:1. Use

Subtle surface Use #DEE4EC for cards and hover fills. Tint 80

Avoid beside #4D59AC — 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 #4E78AC at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #4E78AC;
  --color-base-rgb: 78 120 172;
  --color-base-oklch: oklch(56.5% 0.094 254.4);
  --color-50: #F4F7FB;
  --color-100: #E2EAF3;
  --color-200: #C7D5E6;
  --color-300: #9FB5D0;
  --color-400: #7A96B8;
  --color-500: #59779C;
  --color-600: #495F79;
  --color-700: #384657;
  --color-800: #27303A;
  --color-900: #191E24;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F4F7FB',
    100: '#E2EAF3',
    200: '#C7D5E6',
    300: '#9FB5D0',
    400: '#7A96B8',
    500: '#59779C',
    600: '#495F79',
    700: '#384657',
    800: '#27303A',
    900: '#191E24',
  },
}

$base: #4E78AC;
$base-ink: #141310;
$base-50: #F4F7FB;
$base-100: #E2EAF3;
$base-200: #C7D5E6;
$base-300: #9FB5D0;
$base-400: #7A96B8;
$base-500: #59779C;
$base-600: #495F79;
$base-700: #384657;
$base-800: #27303A;
$base-900: #191E24;
$base-hover: #3E608A;
$base-subtle: #CDD7E3;

{
    "color": {
        "base": {
            "value": "#4E78AC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E2EAF3",
                "type": "color"
            },
            "200": {
                "value": "#C7D5E6",
                "type": "color"
            },
            "300": {
                "value": "#9FB5D0",
                "type": "color"
            },
            "400": {
                "value": "#7A96B8",
                "type": "color"
            },
            "500": {
                "value": "#59779C",
                "type": "color"
            },
            "600": {
                "value": "#495F79",
                "type": "color"
            },
            "700": {
                "value": "#384657",
                "type": "color"
            },
            "800": {
                "value": "#27303A",
                "type": "color"
            },
            "900": {
                "value": "#191E24",
                "type": "color"
            }
        }
    }
}

Palettes built on #4E78AC

Color Lab

Pairs with #4E78AC

UI roles & guardrails

In real applications

Scales

Every model

Export