What color is #08374A?

#08374A is a very dark, vivid cyan-blue. In RGB it is rgb(8, 55, 74), and in HSL hsl(197, 80%, 16%).

Is #08374A accessible as text?

On white, #08374A has a contrast ratio of 12.68:1 (passes WCAG AA for body text); on black it is 1.66:1 (fails). For text placed on #08374A, use white for the best readability.

What is the closest Tailwind color to #08374A?

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

What colors go well with #08374A?

#08374A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #491B08. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #08374A below.

Is #08374A good for buttons?

#08374A works well for buttons and highlights, but use white text on #08374A — black text only reaches 1.66:1, below the 4.5:1 needed for normal-size labels.

Is #08374A the same as CSS darkslategray?

No — #08374A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#08374A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #08374A

Not just a swatch — here's how #08374A works with other colors. Named schemes with #08374A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #08374A Accent #A6C4BF 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 #08374A Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 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 #08374A Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #325769

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 #08374A Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

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 #08374A Secondary #4C5961 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 #08374A 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 33/100

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 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 35/100

Low

Workable accent with care around contrast.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #08374A

For UI

For branding

For interior

For fashion

People also use #08374A 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 12.7:1. Use

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

Avoid beside #082149 — 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 #08374A 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: #08374A;
  --color-base-rgb: 8 55 74;
  --color-base-oklch: oklch(31.7% 0.058 230.7);
  --color-50: #F1FAFE;
  --color-100: #D9F2FC;
  --color-200: #B6E4F7;
  --color-300: #84CEEB;
  --color-400: #57B6DB;
  --color-500: #3499C1;
  --color-600: #2F7693;
  --color-700: #275568;
  --color-800: #1D3944;
  --color-900: #142329;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F1FAFE',
    100: '#D9F2FC',
    200: '#B6E4F7',
    300: '#84CEEB',
    400: '#57B6DB',
    500: '#3499C1',
    600: '#2F7693',
    700: '#275568',
    800: '#1D3944',
    900: '#142329',
  },
}

$base: #08374A;
$base-ink: #FFFFFF;
$base-50: #F1FAFE;
$base-100: #D9F2FC;
$base-200: #B6E4F7;
$base-300: #84CEEB;
$base-400: #57B6DB;
$base-500: #3499C1;
$base-600: #2F7693;
$base-700: #275568;
$base-800: #1D3944;
$base-900: #142329;
$base-hover: #072C3B;
$base-subtle: #98D0E6;

{
    "color": {
        "base": {
            "value": "#08374A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D9F2FC",
                "type": "color"
            },
            "200": {
                "value": "#B6E4F7",
                "type": "color"
            },
            "300": {
                "value": "#84CEEB",
                "type": "color"
            },
            "400": {
                "value": "#57B6DB",
                "type": "color"
            },
            "500": {
                "value": "#3499C1",
                "type": "color"
            },
            "600": {
                "value": "#2F7693",
                "type": "color"
            },
            "700": {
                "value": "#275568",
                "type": "color"
            },
            "800": {
                "value": "#1D3944",
                "type": "color"
            },
            "900": {
                "value": "#142329",
                "type": "color"
            }
        }
    }
}