What color is #39588F?

#39588F is a dark blue. In RGB it is rgb(57, 88, 143), and in HSL hsl(218, 43%, 39%).

Is #39588F accessible as text?

On white, #39588F has a contrast ratio of 7.08:1 (passes WCAG AA for body text); on black it is 2.97:1 (fails). For text placed on #39588F, use white for the best readability.

What is the closest Tailwind color to #39588F?

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

What colors go well with #39588F?

#39588F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8E6F39. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #39588F below.

Is #39588F good for buttons?

#39588F works well for buttons and highlights, but use white text on #39588F — black text only reaches 2.97:1, below the 4.5:1 needed for normal-size labels.

Is #39588F the same as CSS darkslateblue?

No — #39588F is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#39588F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #39588F

Not just a swatch — here's how #39588F works with other colors. Named schemes with #39588F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #39588F Accent #A5C4C1 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 #39588F Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5E7BAF

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 #39588F Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

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 #39588F Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA 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 #39588F Secondary #768296 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 #39588F 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 25/100

Cool

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

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 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 60/100

Moderate

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

Brand distinctiveness 26/100

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 25/100

Low

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

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #39588F

For UI

For branding

For interior

For fashion

People also use #39588F with

Cadet Blue Dark Slate Blue Olive Brown Gainsboro Charcoal

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 7.1:1. Use

Subtle surface Use #D6DDEA for cards and hover fills. Tint 80

Avoid beside #393C8E — 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 #39588F at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #39588F;
  --color-base-rgb: 57 88 143;
  --color-base-oklch: oklch(46.3% 0.097 261.1);
  --color-50: #F4F6FB;
  --color-100: #E1E8F4;
  --color-200: #C5D2E8;
  --color-300: #9CB0D3;
  --color-400: #7590BD;
  --color-500: #5570A0;
  --color-600: #465A7C;
  --color-700: #364359;
  --color-800: #262E3B;
  --color-900: #191D24;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F4F6FB',
    100: '#E1E8F4',
    200: '#C5D2E8',
    300: '#9CB0D3',
    400: '#7590BD',
    500: '#5570A0',
    600: '#465A7C',
    700: '#364359',
    800: '#262E3B',
    900: '#191D24',
  },
}

$base: #39588F;
$base-ink: #FFFFFF;
$base-50: #F4F6FB;
$base-100: #E1E8F4;
$base-200: #C5D2E8;
$base-300: #9CB0D3;
$base-400: #7590BD;
$base-500: #5570A0;
$base-600: #465A7C;
$base-700: #364359;
$base-800: #262E3B;
$base-900: #191D24;
$base-hover: #2D4672;
$base-subtle: #C1CCE0;

{
    "color": {
        "base": {
            "value": "#39588F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E8F4",
                "type": "color"
            },
            "200": {
                "value": "#C5D2E8",
                "type": "color"
            },
            "300": {
                "value": "#9CB0D3",
                "type": "color"
            },
            "400": {
                "value": "#7590BD",
                "type": "color"
            },
            "500": {
                "value": "#5570A0",
                "type": "color"
            },
            "600": {
                "value": "#465A7C",
                "type": "color"
            },
            "700": {
                "value": "#364359",
                "type": "color"
            },
            "800": {
                "value": "#262E3B",
                "type": "color"
            },
            "900": {
                "value": "#191D24",
                "type": "color"
            }
        }
    }
}

Palettes built on #39588F

Color Lab

Pairs with #39588F

UI roles & guardrails

In real applications

Scales

Every model

Export