What color is #301E8A?

#301E8A is a dark indigo. In RGB it is rgb(48, 30, 138), and in HSL hsl(250, 64%, 33%).

Is #301E8A accessible as text?

On white, #301E8A has a contrast ratio of 12.51:1 (passes WCAG AA for body text); on black it is 1.68:1 (fails). For text placed on #301E8A, use white for the best readability.

What is the closest Tailwind color to #301E8A?

The nearest Tailwind CSS token is indigo-900 (#312C85).

What colors go well with #301E8A?

#301E8A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #788A1E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #301E8A below.

Is #301E8A good for buttons?

#301E8A works well for buttons and highlights, but use white text on #301E8A — black text only reaches 1.68:1, below the 4.5:1 needed for normal-size labels.

Is #301E8A the same as CSS midnightblue?

No — #301E8A is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#301E8A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #301E8A

Not just a swatch — here's how #301E8A works with other colors. Named schemes with #301E8A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #301E8A Anchor #141210 Accent #DB9758 Secondary #272833 Surface #F3ECE3

Midnight 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 #301E8A Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #240148

Midnight 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 Midnight Blue.

Coastal Morning Lead · 5 colors

Lead #301E8A Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Midnight 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 #301E8A Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582238

Midnight 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 #301E8A Secondary #585A7F Support #9D9088 Ink #18140F

Midnight 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 Midnight Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #301E8A 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 19/100

Cool

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 64/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 53/100

Moderate

Workable accent with care around contrast.

Surface fit 18/100

Very 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 #301E8A

For UI

For branding

For interior

For fashion

People also use #301E8A with

Denim Blue Eminence Olive Drab Gainsboro Prussian Blue

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 12.5:1. Use

Subtle surface Use #D2CDED for cards and hover fills. Tint 80

Avoid beside #541E8A — 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 #301E8A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #301E8A;
  --color-base-rgb: 48 30 138;
  --color-base-oklch: oklch(34.1% 0.166 280.5);
  --color-50: #F4F2FD;
  --color-100: #E1DDF8;
  --color-200: #C5BCF0;
  --color-300: #9C8EE1;
  --color-400: #7664CE;
  --color-500: #5542B3;
  --color-600: #463989;
  --color-700: #362E61;
  --color-800: #262140;
  --color-900: #191627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  midnight-blue: {
    50: '#F4F2FD',
    100: '#E1DDF8',
    200: '#C5BCF0',
    300: '#9C8EE1',
    400: '#7664CE',
    500: '#5542B3',
    600: '#463989',
    700: '#362E61',
    800: '#262140',
    900: '#191627',
  },
}

$base: #301E8A;
$base-ink: #FFFFFF;
$base-50: #F4F2FD;
$base-100: #E1DDF8;
$base-200: #C5BCF0;
$base-300: #9C8EE1;
$base-400: #7664CE;
$base-500: #5542B3;
$base-600: #463989;
$base-700: #362E61;
$base-800: #262140;
$base-900: #191627;
$base-hover: #27186E;
$base-subtle: #BBB3E5;

{
    "color": {
        "base": {
            "value": "#301E8A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F2FD",
                "type": "color"
            },
            "100": {
                "value": "#E1DDF8",
                "type": "color"
            },
            "200": {
                "value": "#C5BCF0",
                "type": "color"
            },
            "300": {
                "value": "#9C8EE1",
                "type": "color"
            },
            "400": {
                "value": "#7664CE",
                "type": "color"
            },
            "500": {
                "value": "#5542B3",
                "type": "color"
            },
            "600": {
                "value": "#463989",
                "type": "color"
            },
            "700": {
                "value": "#362E61",
                "type": "color"
            },
            "800": {
                "value": "#262140",
                "type": "color"
            },
            "900": {
                "value": "#191627",
                "type": "color"
            }
        }
    }
}

Palettes built on #301E8A

Color Lab

Pairs with #301E8A

UI roles & guardrails

In real applications

Scales

Every model

Export