What color is #43598F?

#43598F is a medium blue. In RGB it is rgb(67, 89, 143), and in HSL hsl(223, 36%, 41%).

Is #43598F accessible as text?

On white, #43598F has a contrast ratio of 6.85:1 (passes WCAG AA for body text); on black it is 3.06:1 (fails). For text placed on #43598F, use white for the best readability.

What is the closest Tailwind color to #43598F?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #43598F?

#43598F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8E7943. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #43598F below.

Is #43598F good for buttons?

#43598F works well for buttons and highlights, but use white text on #43598F — black text only reaches 3.06:1, below the 4.5:1 needed for normal-size labels.

Is #43598F the same as CSS darkslateblue?

No — #43598F is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#43598F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #43598F

Not just a swatch — here's how #43598F works with other colors. Named schemes with #43598F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #43598F Accent #A5C4C2 Surface #EAD5C0 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.

Nordic Calm Accent · 5 colors

Accent #43598F Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

Lapis Lazuli keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #43598F Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #677DB0

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 #43598F 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #43598F Secondary #7B8498 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.

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Color Lab

How #43598F 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 28/100

Cool

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 52/100

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 55/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 59/100

Moderate

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

Brand distinctiveness 25/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 86/100

Very high

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

Surface fit 26/100

Low

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

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #43598F

For UI

For branding

For interior

For fashion

People also use #43598F with

Cadet Blue Ultra Violet Olive Brown 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 6.9:1. Use

Subtle surface Use #D9DEE9 for cards and hover fills. Tint 80

Avoid beside #47438E — 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 #43598F 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: #43598F;
  --color-base-rgb: 67 89 143;
  --color-base-oklch: oklch(47.2% 0.092 266.2);
  --color-50: #F4F6FA;
  --color-100: #E3E7F2;
  --color-200: #C8D0E5;
  --color-300: #A0AECF;
  --color-400: #7B8CB7;
  --color-500: #5B6D9A;
  --color-600: #4A5777;
  --color-700: #394156;
  --color-800: #282D39;
  --color-900: #1A1C23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F4F6FA',
    100: '#E3E7F2',
    200: '#C8D0E5',
    300: '#A0AECF',
    400: '#7B8CB7',
    500: '#5B6D9A',
    600: '#4A5777',
    700: '#394156',
    800: '#282D39',
    900: '#1A1C23',
  },
}

$base: #43598F;
$base-ink: #FFFFFF;
$base-50: #F4F6FA;
$base-100: #E3E7F2;
$base-200: #C8D0E5;
$base-300: #A0AECF;
$base-400: #7B8CB7;
$base-500: #5B6D9A;
$base-600: #4A5777;
$base-700: #394156;
$base-800: #282D39;
$base-900: #1A1C23;
$base-hover: #364772;
$base-subtle: #C6CDDE;

{
    "color": {
        "base": {
            "value": "#43598F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E7F2",
                "type": "color"
            },
            "200": {
                "value": "#C8D0E5",
                "type": "color"
            },
            "300": {
                "value": "#A0AECF",
                "type": "color"
            },
            "400": {
                "value": "#7B8CB7",
                "type": "color"
            },
            "500": {
                "value": "#5B6D9A",
                "type": "color"
            },
            "600": {
                "value": "#4A5777",
                "type": "color"
            },
            "700": {
                "value": "#394156",
                "type": "color"
            },
            "800": {
                "value": "#282D39",
                "type": "color"
            },
            "900": {
                "value": "#1A1C23",
                "type": "color"
            }
        }
    }
}

Palettes built on #43598F

Color Lab

Pairs with #43598F

UI roles & guardrails

In real applications

Scales

Every model

Export