What color is #424797?

#424797 is a medium blue-violet. In RGB it is rgb(66, 71, 151), and in HSL hsl(236, 39%, 43%).

Is #424797 accessible as text?

On white, #424797 has a contrast ratio of 8.14:1 (passes WCAG AA for body text); on black it is 2.58:1 (fails). For text placed on #424797, use white for the best readability.

What is the closest Tailwind color to #424797?

The nearest Tailwind CSS token is blue-900 (#1C398E).

What colors go well with #424797?

#424797 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #989343. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #424797 below.

Is #424797 good for buttons?

#424797 works well for buttons and highlights, but use white text on #424797 — black text only reaches 2.58:1, below the 4.5:1 needed for normal-size labels.

Is #424797 the same as CSS darkslateblue?

No — #424797 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#424797 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #424797

Not just a swatch — here's how #424797 works with other colors. Named schemes with #424797 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #424797 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Dark Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #424797 Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Dark Slate 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.

Modern Café Dominant · 5 colors

Dominant #424797 Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Dark Slate Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Lead #424797 Surface #F6E5D8 Anchor #5B2142 Accent #E5C2C9 Secondary #322B2F

Dark Slate Blue 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 #424797 Secondary #727895 Support #9D9088 Ink #18140F

Dark Slate 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 Dark Slate Blue carrying the quiet middle.

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Color Lab

How #424797 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 24/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

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 62/100

High

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

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 86/100

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 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #424797

For UI

For branding

For interior

For fashion

People also use #424797 with

Ocean Blue Ultra Violet Moss Green Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

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 8.1:1. Use

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

Avoid beside #5A4398 — 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 #424797 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: #424797;
  --color-base-rgb: 66 71 151;
  --color-base-oklch: oklch(43.8% 0.129 277.0);
  --color-50: #F4F5FB;
  --color-100: #E2E3F3;
  --color-200: #C6C8E6;
  --color-300: #9EA2D1;
  --color-400: #797DB9;
  --color-500: #585D9D;
  --color-600: #494C79;
  --color-700: #383A57;
  --color-800: #27283A;
  --color-900: #191A24;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-blue: {
    50: '#F4F5FB',
    100: '#E2E3F3',
    200: '#C6C8E6',
    300: '#9EA2D1',
    400: '#797DB9',
    500: '#585D9D',
    600: '#494C79',
    700: '#383A57',
    800: '#27283A',
    900: '#191A24',
  },
}

$base: #424797;
$base-ink: #FFFFFF;
$base-50: #F4F5FB;
$base-100: #E2E3F3;
$base-200: #C6C8E6;
$base-300: #9EA2D1;
$base-400: #797DB9;
$base-500: #585D9D;
$base-600: #494C79;
$base-700: #383A57;
$base-800: #27283A;
$base-900: #191A24;
$base-hover: #363A7A;
$base-subtle: #C6C8E0;

{
    "color": {
        "base": {
            "value": "#424797",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F5FB",
                "type": "color"
            },
            "100": {
                "value": "#E2E3F3",
                "type": "color"
            },
            "200": {
                "value": "#C6C8E6",
                "type": "color"
            },
            "300": {
                "value": "#9EA2D1",
                "type": "color"
            },
            "400": {
                "value": "#797DB9",
                "type": "color"
            },
            "500": {
                "value": "#585D9D",
                "type": "color"
            },
            "600": {
                "value": "#494C79",
                "type": "color"
            },
            "700": {
                "value": "#383A57",
                "type": "color"
            },
            "800": {
                "value": "#27283A",
                "type": "color"
            },
            "900": {
                "value": "#191A24",
                "type": "color"
            }
        }
    }
}