What color is #0E377F?

#0E377F is a dark, vivid blue. In RGB it is rgb(14, 55, 127), and in HSL hsl(218, 80%, 28%).

Is #0E377F accessible as text?

On white, #0E377F has a contrast ratio of 11.22:1 (passes WCAG AA for body text); on black it is 1.87:1 (fails). For text placed on #0E377F, use white for the best readability.

What is the closest Tailwind color to #0E377F?

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

What colors go well with #0E377F?

#0E377F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #81570E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0E377F below.

Is #0E377F good for buttons?

#0E377F works well for buttons and highlights, but use white text on #0E377F — black text only reaches 1.87:1, below the 4.5:1 needed for normal-size labels.

Is #0E377F the same as CSS midnightblue?

No — #0E377F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0E377F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0E377F

Not just a swatch — here's how #0E377F works with other colors. Named schemes with #0E377F in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #0E377F 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 #0E377F Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #181548

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 #0E377F 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 #0E377F 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 #0E377F Secondary #54637D 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 #0E377F 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 17/100

Cool

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

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 69/100

High

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

Brand distinctiveness 50/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 59/100

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 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0E377F

For UI

For branding

For interior

For fashion

People also use #0E377F with

Bondi Blue Midnight Blue Russet 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 11.2:1. Use

Subtle surface Use #C5D5EF for cards and hover fills. Tint 80

Avoid beside #0E1281 — 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 #0E377F 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: #0E377F;
  --color-base-rgb: 14 55 127;
  --color-base-oklch: oklch(35.7% 0.130 260.9);
  --color-50: #F1F6FE;
  --color-100: #D9E6FC;
  --color-200: #B6CEF7;
  --color-300: #84AAEB;
  --color-400: #5787DB;
  --color-500: #3468C1;
  --color-600: #2F5493;
  --color-700: #273F68;
  --color-800: #1D2B44;
  --color-900: #141C29;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F1F6FE',
    100: '#D9E6FC',
    200: '#B6CEF7',
    300: '#84AAEB',
    400: '#5787DB',
    500: '#3468C1',
    600: '#2F5493',
    700: '#273F68',
    800: '#1D2B44',
    900: '#141C29',
  },
}

$base: #0E377F;
$base-ink: #FFFFFF;
$base-50: #F1F6FE;
$base-100: #D9E6FC;
$base-200: #B6CEF7;
$base-300: #84AAEB;
$base-400: #5787DB;
$base-500: #3468C1;
$base-600: #2F5493;
$base-700: #273F68;
$base-800: #1D2B44;
$base-900: #141C29;
$base-hover: #0B2D67;
$base-subtle: #A6BFE9;

{
    "color": {
        "base": {
            "value": "#0E377F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D9E6FC",
                "type": "color"
            },
            "200": {
                "value": "#B6CEF7",
                "type": "color"
            },
            "300": {
                "value": "#84AAEB",
                "type": "color"
            },
            "400": {
                "value": "#5787DB",
                "type": "color"
            },
            "500": {
                "value": "#3468C1",
                "type": "color"
            },
            "600": {
                "value": "#2F5493",
                "type": "color"
            },
            "700": {
                "value": "#273F68",
                "type": "color"
            },
            "800": {
                "value": "#1D2B44",
                "type": "color"
            },
            "900": {
                "value": "#141C29",
                "type": "color"
            }
        }
    }
}

Palettes built on #0E377F

Color Lab

Pairs with #0E377F

UI roles & guardrails

In real applications

Scales

Every model

Export