What color is #407ECD?

#407ECD is a medium blue. In RGB it is rgb(64, 126, 205), and in HSL hsl(214, 59%, 53%).

Is #407ECD accessible as text?

On white, #407ECD has a contrast ratio of 4.13:1 (fails WCAG AA for body text); on black it is 5.08:1 (passes). For text placed on #407ECD, use black for the best readability.

What is the closest Tailwind color to #407ECD?

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

What colors go well with #407ECD?

#407ECD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CE9140. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #407ECD below.

Is #407ECD good for buttons?

#407ECD works well for buttons and highlights, but use black text on #407ECD — white text only reaches 4.13:1, below the 4.5:1 needed for normal-size labels.

Is #407ECD the same as CSS steelblue?

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

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

Palettes built on #407ECD

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

Coastal Morning Lead · 5 colors

Lead #407ECD 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 #407ECD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #6CA4ED

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 #407ECD 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 #407ECD Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CA 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 #407ECD Secondary #94AAC6 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.

Build a working theme in the generator →

Color Lab

How #407ECD 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 13/100

Cool

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

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 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 94/100

Very 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 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #407ECD

For UI

For branding

For interior

For fashion

People also use #407ECD with

Medium Turquoise Cerulean Caramel 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 #141310 text at 4.5:1. Use

Subtle surface Use #DDE6F1 for cards and hover fills. Tint 80

Avoid beside #404FCE — 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 #407ECD 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: #407ECD;
  --color-base-rgb: 64 126 205;
  --color-base-oklch: oklch(59.0% 0.137 255.6);
  --color-50: #F2F7FC;
  --color-100: #DEE9F7;
  --color-200: #BED3EE;
  --color-300: #92B3DE;
  --color-400: #6892CA;
  --color-500: #4673AE;
  --color-600: #3C5C86;
  --color-700: #30445F;
  --color-800: #222F3F;
  --color-900: #171E27;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F2F7FC',
    100: '#DEE9F7',
    200: '#BED3EE',
    300: '#92B3DE',
    400: '#6892CA',
    500: '#4673AE',
    600: '#3C5C86',
    700: '#30445F',
    800: '#222F3F',
    900: '#171E27',
  },
}

$base: #407ECD;
$base-ink: #141310;
$base-50: #F2F7FC;
$base-100: #DEE9F7;
$base-200: #BED3EE;
$base-300: #92B3DE;
$base-400: #6892CA;
$base-500: #4673AE;
$base-600: #3C5C86;
$base-700: #30445F;
$base-800: #222F3F;
$base-900: #171E27;
$base-hover: #2C64AC;
$base-subtle: #CBD9EB;

{
    "color": {
        "base": {
            "value": "#407ECD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DEE9F7",
                "type": "color"
            },
            "200": {
                "value": "#BED3EE",
                "type": "color"
            },
            "300": {
                "value": "#92B3DE",
                "type": "color"
            },
            "400": {
                "value": "#6892CA",
                "type": "color"
            },
            "500": {
                "value": "#4673AE",
                "type": "color"
            },
            "600": {
                "value": "#3C5C86",
                "type": "color"
            },
            "700": {
                "value": "#30445F",
                "type": "color"
            },
            "800": {
                "value": "#222F3F",
                "type": "color"
            },
            "900": {
                "value": "#171E27",
                "type": "color"
            }
        }
    }
}

Palettes built on #407ECD

Color Lab

Pairs with #407ECD

UI roles & guardrails

In real applications

Scales

Every model

Export