What color is #407EAA?

#407EAA is a medium cyan-blue. In RGB it is rgb(64, 126, 170), and in HSL hsl(205, 45%, 46%).

Is #407EAA accessible as text?

On white, #407EAA 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 #407EAA, use black for the best readability.

What is the closest Tailwind color to #407EAA?

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

What colors go well with #407EAA?

#407EAA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AA6D41. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #407EAA below.

Is #407EAA good for buttons?

#407EAA works well for buttons and highlights, but use black text on #407EAA — white text only reaches 4.39:1, below the 4.5:1 needed for normal-size labels.

Is #407EAA the same as CSS steelblue?

No — #407EAA is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#407EAA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #407EAA

Not just a swatch — here's how #407EAA works with other colors. Named schemes with #407EAA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #407EAA Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #407EAA Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #6BA2CC

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 #407EAA Secondary #7F4439 Surface #E2DDC0 Accent #375245 Anchor #57233C

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 #407EAA Surface #EEE9D6 Anchor #5A2246 Accent #E4C2CB Secondary #322B30

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 #407EAA Secondary #91A5B5 Support #969386 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.

Build a working theme in the generator →

Color Lab

How #407EAA 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 23/100

Cool

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

Softness 49/100

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 57/100

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 89/100

Very high

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

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #407EAA

For UI

For branding

For interior

For fashion

People also use #407EAA with

Tiffany 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 #DBE5EC for cards and hover fills. Tint 80

Avoid beside #415BAA — 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 #407EAA 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: #407EAA;
  --color-base-rgb: 64 126 170;
  --color-base-oklch: oklch(57.1% 0.094 241.8);
  --color-50: #F4F8FB;
  --color-100: #E1ECF4;
  --color-200: #C4D9E8;
  --color-300: #9BBCD5;
  --color-400: #749FBE;
  --color-500: #5381A2;
  --color-600: #45667D;
  --color-700: #354A5A;
  --color-800: #26323B;
  --color-900: #192025;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F4F8FB',
    100: '#E1ECF4',
    200: '#C4D9E8',
    300: '#9BBCD5',
    400: '#749FBE',
    500: '#5381A2',
    600: '#45667D',
    700: '#354A5A',
    800: '#26323B',
    900: '#192025',
  },
}

$base: #407EAA;
$base-ink: #141310;
$base-50: #F4F8FB;
$base-100: #E1ECF4;
$base-200: #C4D9E8;
$base-300: #9BBCD5;
$base-400: #749FBE;
$base-500: #5381A2;
$base-600: #45667D;
$base-700: #354A5A;
$base-800: #26323B;
$base-900: #192025;
$base-hover: #346588;
$base-subtle: #C8D8E4;

{
    "color": {
        "base": {
            "value": "#407EAA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E1ECF4",
                "type": "color"
            },
            "200": {
                "value": "#C4D9E8",
                "type": "color"
            },
            "300": {
                "value": "#9BBCD5",
                "type": "color"
            },
            "400": {
                "value": "#749FBE",
                "type": "color"
            },
            "500": {
                "value": "#5381A2",
                "type": "color"
            },
            "600": {
                "value": "#45667D",
                "type": "color"
            },
            "700": {
                "value": "#354A5A",
                "type": "color"
            },
            "800": {
                "value": "#26323B",
                "type": "color"
            },
            "900": {
                "value": "#192025",
                "type": "color"
            }
        }
    }
}

Palettes built on #407EAA

Color Lab

Pairs with #407EAA

UI roles & guardrails

In real applications

Scales

Every model

Export