What color is #457CB2?

#457CB2 is a medium blue. In RGB it is rgb(69, 124, 178), and in HSL hsl(210, 44%, 48%).

Is #457CB2 accessible as text?

On white, #457CB2 has a contrast ratio of 4.39:1 (fails WCAG AA for body text); on black it is 4.78:1 (passes). For text placed on #457CB2, use black for the best readability.

What is the closest Tailwind color to #457CB2?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #457CB2?

#457CB2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B07A45. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #457CB2 below.

Is #457CB2 good for buttons?

#457CB2 works well for buttons and highlights, but use black text on #457CB2 — white text only reaches 4.39:1, below the 4.5:1 needed for normal-size labels.

Is #457CB2 the same as CSS steelblue?

No — #457CB2 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#457CB2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #457CB2

Not just a swatch — here's how #457CB2 works with other colors. Named schemes with #457CB2 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #457CB2 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 #457CB2 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #6FA1D3

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 #457CB2 Secondary #7F4538 Surface #E1DDC0 Accent #375245 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 #457CB2 Surface #EDE9D6 Anchor #5A2245 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 #457CB2 Secondary #92A5B8 Support #959386 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 #457CB2 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 21/100

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 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 28/100

Low

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

UI accent fit 91/100

Very high

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

Surface fit 28/100

Low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #457CB2

For UI

For branding

For interior

For fashion

People also use #457CB2 with

Robin Egg Blue Cerulean Copper Gainsboro Charcoal

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.4:1. Use

Subtle surface Use #DCE4ED for cards and hover fills. Tint 80

Avoid beside #4556B0 — 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 #457CB2 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: #457CB2;
  --color-base-rgb: 69 124 178;
  --color-base-oklch: oklch(57.3% 0.102 249.6);
  --color-50: #F4F7FB;
  --color-100: #E1EBF4;
  --color-200: #C4D6E8;
  --color-300: #9BB8D4;
  --color-400: #7599BD;
  --color-500: #547AA1;
  --color-600: #46617C;
  --color-700: #364759;
  --color-800: #26303B;
  --color-900: #191F25;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F4F7FB',
    100: '#E1EBF4',
    200: '#C4D6E8',
    300: '#9BB8D4',
    400: '#7599BD',
    500: '#547AA1',
    600: '#46617C',
    700: '#364759',
    800: '#26303B',
    900: '#191F25',
  },
}

$base: #457CB2;
$base-ink: #141310;
$base-50: #F4F7FB;
$base-100: #E1EBF4;
$base-200: #C4D6E8;
$base-300: #9BB8D4;
$base-400: #7599BD;
$base-500: #547AA1;
$base-600: #46617C;
$base-700: #364759;
$base-800: #26303B;
$base-900: #191F25;
$base-hover: #37628D;
$base-subtle: #CAD7E5;

{
    "color": {
        "base": {
            "value": "#457CB2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F7FB",
                "type": "color"
            },
            "100": {
                "value": "#E1EBF4",
                "type": "color"
            },
            "200": {
                "value": "#C4D6E8",
                "type": "color"
            },
            "300": {
                "value": "#9BB8D4",
                "type": "color"
            },
            "400": {
                "value": "#7599BD",
                "type": "color"
            },
            "500": {
                "value": "#547AA1",
                "type": "color"
            },
            "600": {
                "value": "#46617C",
                "type": "color"
            },
            "700": {
                "value": "#364759",
                "type": "color"
            },
            "800": {
                "value": "#26303B",
                "type": "color"
            },
            "900": {
                "value": "#191F25",
                "type": "color"
            }
        }
    }
}

Palettes built on #457CB2

Color Lab

Pairs with #457CB2

UI roles & guardrails

In real applications

Scales

Every model

Export