What color is #407FCC?

#407FCC is a medium blue. In RGB it is rgb(64, 127, 204), and in HSL hsl(213, 58%, 53%).

Is #407FCC accessible as text?

On white, #407FCC has a contrast ratio of 4.10:1 (fails WCAG AA for body text); on black it is 5.13:1 (passes). For text placed on #407FCC, use black for the best readability.

What is the closest Tailwind color to #407FCC?

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

What colors go well with #407FCC?

#407FCC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CD8E42. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #407FCC below.

Is #407FCC good for buttons?

#407FCC works well for buttons and highlights, but use black text on #407FCC — white text only reaches 4.10:1, below the 4.5:1 needed for normal-size labels.

Is #407FCC the same as CSS steelblue?

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

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

Palettes built on #407FCC

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

Coastal Morning Lead · 5 colors

Lead #407FCC 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 #407FCC Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #6CA5ED

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 #407FCC 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 #407FCC 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 #407FCC Secondary #95AAC6 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 #407FCC 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 14/100

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 93/100

Very high

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

Surface fit 20/100

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 #407FCC

For UI

For branding

For interior

For fashion

People also use #407FCC with

Medium Turquoise Cerulean Peru Gainsboro Charcoal

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 4.5:1. Use

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

Avoid beside #4252CD — 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 #407FCC 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: #407FCC;
  --color-base-rgb: 64 127 204;
  --color-base-oklch: oklch(59.2% 0.135 254.8);
  --color-50: #F2F7FC;
  --color-100: #DEE9F7;
  --color-200: #BFD4EE;
  --color-300: #92B4DD;
  --color-400: #6994C9;
  --color-500: #4775AD;
  --color-600: #3D5D85;
  --color-700: #30455F;
  --color-800: #232F3E;
  --color-900: #171E26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F2F7FC',
    100: '#DEE9F7',
    200: '#BFD4EE',
    300: '#92B4DD',
    400: '#6994C9',
    500: '#4775AD',
    600: '#3D5D85',
    700: '#30455F',
    800: '#232F3E',
    900: '#171E26',
  },
}

$base: #407FCC;
$base-ink: #141310;
$base-50: #F2F7FC;
$base-100: #DEE9F7;
$base-200: #BFD4EE;
$base-300: #92B4DD;
$base-400: #6994C9;
$base-500: #4775AD;
$base-600: #3D5D85;
$base-700: #30455F;
$base-800: #232F3E;
$base-900: #171E26;
$base-hover: #2D66AB;
$base-subtle: #CBD9EB;

{
    "color": {
        "base": {
            "value": "#407FCC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DEE9F7",
                "type": "color"
            },
            "200": {
                "value": "#BFD4EE",
                "type": "color"
            },
            "300": {
                "value": "#92B4DD",
                "type": "color"
            },
            "400": {
                "value": "#6994C9",
                "type": "color"
            },
            "500": {
                "value": "#4775AD",
                "type": "color"
            },
            "600": {
                "value": "#3D5D85",
                "type": "color"
            },
            "700": {
                "value": "#30455F",
                "type": "color"
            },
            "800": {
                "value": "#232F3E",
                "type": "color"
            },
            "900": {
                "value": "#171E26",
                "type": "color"
            }
        }
    }
}

Palettes built on #407FCC

Color Lab

Pairs with #407FCC

UI roles & guardrails

In real applications

Scales

Every model

Export