What color is #415DA4?

#415DA4 is a medium blue. In RGB it is rgb(65, 93, 164), and in HSL hsl(223, 43%, 45%).

Is #415DA4 accessible as text?

On white, #415DA4 has a contrast ratio of 6.31:1 (passes WCAG AA for body text); on black it is 3.33:1 (fails). For text placed on #415DA4, use white for the best readability.

What is the closest Tailwind color to #415DA4?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #415DA4?

#415DA4 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A48841. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #415DA4 below.

Is #415DA4 good for buttons?

#415DA4 works well for buttons and highlights, but use white text on #415DA4 — black text only reaches 3.33:1, below the 4.5:1 needed for normal-size labels.

Is #415DA4 the same as CSS slateblue?

No — #415DA4 is not the CSS named color slateblue, but slateblue (#6A5ACD) is the closest CSS named color.

#415DA4 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #415DA4

Not just a swatch — here's how #415DA4 works with other colors. Named schemes with #415DA4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #415DA4 Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Lapis Lazuli 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 #415DA4 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #6682C4

Lapis Lazuli is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lapis Lazuli.

Vintage Leather Lead · 5 colors

Lead #415DA4 Secondary #7F4536 Surface #EED7C2 Accent #365246 Anchor #58223A

Lapis Lazuli 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 #415DA4 Surface #F6E5D8 Anchor #5B2144 Accent #E5C2CA Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #415DA4 Secondary #7E8AA4 Support #9D8F88 Ink #18140F

Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #415DA4 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 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 51/100

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 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

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

Surface fit 17/100

Very low

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

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #415DA4

For UI

For branding

For interior

For fashion

People also use #415DA4 with

Verdigris Rebecca Purple Dark Goldenrod 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 6.3:1. Use

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

Avoid beside #4641A4 — 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 #415DA4 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: #415DA4;
  --color-base-rgb: 65 93 164;
  --color-base-oklch: oklch(49.2% 0.119 266.0);
  --color-50: #F4F6FB;
  --color-100: #E1E7F4;
  --color-200: #C5CFE8;
  --color-300: #9CACD3;
  --color-400: #758ABD;
  --color-500: #556AA0;
  --color-600: #46557C;
  --color-700: #364059;
  --color-800: #262C3B;
  --color-900: #191C24;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F4F6FB',
    100: '#E1E7F4',
    200: '#C5CFE8',
    300: '#9CACD3',
    400: '#758ABD',
    500: '#556AA0',
    600: '#46557C',
    700: '#364059',
    800: '#262C3B',
    900: '#191C24',
  },
}

$base: #415DA4;
$base-ink: #FFFFFF;
$base-50: #F4F6FB;
$base-100: #E1E7F4;
$base-200: #C5CFE8;
$base-300: #9CACD3;
$base-400: #758ABD;
$base-500: #556AA0;
$base-600: #46557C;
$base-700: #364059;
$base-800: #262C3B;
$base-900: #191C24;
$base-hover: #344B83;
$base-subtle: #C7CFE3;

{
    "color": {
        "base": {
            "value": "#415DA4",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E7F4",
                "type": "color"
            },
            "200": {
                "value": "#C5CFE8",
                "type": "color"
            },
            "300": {
                "value": "#9CACD3",
                "type": "color"
            },
            "400": {
                "value": "#758ABD",
                "type": "color"
            },
            "500": {
                "value": "#556AA0",
                "type": "color"
            },
            "600": {
                "value": "#46557C",
                "type": "color"
            },
            "700": {
                "value": "#364059",
                "type": "color"
            },
            "800": {
                "value": "#262C3B",
                "type": "color"
            },
            "900": {
                "value": "#191C24",
                "type": "color"
            }
        }
    }
}

Palettes built on #415DA4

Color Lab

Pairs with #415DA4

UI roles & guardrails

In real applications

Scales

Every model

Export