What color is #023752?

#023752 is a very dark, vivid cyan-blue. In RGB it is rgb(2, 55, 82), and in HSL hsl(200, 95%, 16%).

Is #023752 accessible as text?

On white, #023752 has a contrast ratio of 12.57:1 (passes WCAG AA for body text); on black it is 1.67:1 (fails). For text placed on #023752, use white for the best readability.

What is the closest Tailwind color to #023752?

The nearest Tailwind CSS token is cyan-950 (#053345).

What colors go well with #023752?

#023752 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #501C02. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #023752 below.

Is #023752 good for buttons?

#023752 works well for buttons and highlights, but use white text on #023752 — black text only reaches 1.67:1, below the 4.5:1 needed for normal-size labels.

Is #023752 the same as CSS darkslategray?

No — #023752 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#023752 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #023752

Not just a swatch — here's how #023752 works with other colors. Named schemes with #023752 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #023752 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Prussian Blue 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 #023752 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Prussian Blue 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 #023752 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #2F5771

Prussian 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 Prussian Blue.

Vintage Leather Lead · 5 colors

Lead #023752 Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

Prussian 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #023752 Secondary #4C5A64 Support #969386 Ink #16140F

Prussian 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 Prussian Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #023752 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 29/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 27/100

Low

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

UI accent fit 38/100

Low

Workable accent with care around contrast.

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #023752

For UI

For branding

For interior

For fashion

People also use #023752 with

Pine Green Navy Bistre Platinum 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 12.6:1. Use

Subtle surface Use #B7DEF1 for cards and hover fills. Tint 80

Avoid beside #021C50 — 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 #023752 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: #023752;
  --color-base-rgb: 2 55 82;
  --color-base-oklch: oklch(32.0% 0.070 238.3);
  --color-50: #F0FAFE;
  --color-100: #D8F1FD;
  --color-200: #B1E3FC;
  --color-300: #7ACCF5;
  --color-400: #4AB3E8;
  --color-500: #2796CE;
  --color-600: #26759C;
  --color-700: #21546E;
  --color-800: #1A3847;
  --color-900: #12232B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F0FAFE',
    100: '#D8F1FD',
    200: '#B1E3FC',
    300: '#7ACCF5',
    400: '#4AB3E8',
    500: '#2796CE',
    600: '#26759C',
    700: '#21546E',
    800: '#1A3847',
    900: '#12232B',
  },
}

$base: #023752;
$base-ink: #FFFFFF;
$base-50: #F0FAFE;
$base-100: #D8F1FD;
$base-200: #B1E3FC;
$base-300: #7ACCF5;
$base-400: #4AB3E8;
$base-500: #2796CE;
$base-600: #26759C;
$base-700: #21546E;
$base-800: #1A3847;
$base-900: #12232B;
$base-hover: #022B40;
$base-subtle: #90CEED;

{
    "color": {
        "base": {
            "value": "#023752",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D8F1FD",
                "type": "color"
            },
            "200": {
                "value": "#B1E3FC",
                "type": "color"
            },
            "300": {
                "value": "#7ACCF5",
                "type": "color"
            },
            "400": {
                "value": "#4AB3E8",
                "type": "color"
            },
            "500": {
                "value": "#2796CE",
                "type": "color"
            },
            "600": {
                "value": "#26759C",
                "type": "color"
            },
            "700": {
                "value": "#21546E",
                "type": "color"
            },
            "800": {
                "value": "#1A3847",
                "type": "color"
            },
            "900": {
                "value": "#12232B",
                "type": "color"
            }
        }
    }
}