What color is #08337D?

#08337D is a dark, vivid blue. In RGB it is rgb(8, 51, 125), and in HSL hsl(218, 88%, 26%).

Is #08337D accessible as text?

On white, #08337D has a contrast ratio of 11.80:1 (passes WCAG AA for body text); on black it is 1.78:1 (fails). For text placed on #08337D, use white for the best readability.

What is the closest Tailwind color to #08337D?

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

What colors go well with #08337D?

#08337D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7D5208. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #08337D below.

Is #08337D good for buttons?

#08337D works well for buttons and highlights, but use white text on #08337D — black text only reaches 1.78:1, below the 4.5:1 needed for normal-size labels.

Is #08337D the same as CSS midnightblue?

No — #08337D is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#08337D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #08337D

Not just a swatch — here's how #08337D works with other colors. Named schemes with #08337D in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #08337D Anchor #141210 Accent #ADAE53 Secondary #232933 Surface #F0EEE3

Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #08337D Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #151246

Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.

Coastal Morning Lead · 5 colors

Lead #08337D Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Yale 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 #08337D Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Yale 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 #F8F4EF Accent #08337D Secondary #50607A Support #9D8F88 Ink #18140F

Yale 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 Yale Blue carrying the quiet middle.

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Color Lab

How #08337D 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 16/100

Cool

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 52/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 55/100

Moderate

Workable accent with care around contrast.

Surface fit 22/100

Low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #08337D

For UI

For branding

For interior

For fashion

People also use #08337D with

Bondi Blue Midnight Blue Sepia 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 11.8:1. Use

Subtle surface Use #C1D3F1 for cards and hover fills. Tint 80

Avoid beside #080C7D — 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 #08337D 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: #08337D;
  --color-base-rgb: 8 51 125;
  --color-base-oklch: oklch(34.5% 0.134 260.9);
  --color-50: #F0F5FE;
  --color-100: #D8E6FD;
  --color-200: #B2CDFA;
  --color-300: #7FA8F0;
  --color-400: #5086E2;
  --color-500: #2D66C8;
  --color-600: #2A5298;
  --color-700: #243E6B;
  --color-800: #1B2B46;
  --color-900: #131B2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F0F5FE',
    100: '#D8E6FD',
    200: '#B2CDFA',
    300: '#7FA8F0',
    400: '#5086E2',
    500: '#2D66C8',
    600: '#2A5298',
    700: '#243E6B',
    800: '#1B2B46',
    900: '#131B2B',
  },
}

$base: #08337D;
$base-ink: #FFFFFF;
$base-50: #F0F5FE;
$base-100: #D8E6FD;
$base-200: #B2CDFA;
$base-300: #7FA8F0;
$base-400: #5086E2;
$base-500: #2D66C8;
$base-600: #2A5298;
$base-700: #243E6B;
$base-800: #1B2B46;
$base-900: #131B2B;
$base-hover: #062964;
$base-subtle: #A1BCEC;

{
    "color": {
        "base": {
            "value": "#08337D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E6FD",
                "type": "color"
            },
            "200": {
                "value": "#B2CDFA",
                "type": "color"
            },
            "300": {
                "value": "#7FA8F0",
                "type": "color"
            },
            "400": {
                "value": "#5086E2",
                "type": "color"
            },
            "500": {
                "value": "#2D66C8",
                "type": "color"
            },
            "600": {
                "value": "#2A5298",
                "type": "color"
            },
            "700": {
                "value": "#243E6B",
                "type": "color"
            },
            "800": {
                "value": "#1B2B46",
                "type": "color"
            },
            "900": {
                "value": "#131B2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #08337D

Color Lab

Pairs with #08337D

UI roles & guardrails

In real applications

Scales

Every model

Export