What color is #300E43?

#300E43 is a very dark violet. In RGB it is rgb(48, 14, 67), and in HSL hsl(278, 65%, 16%).

Is #300E43 accessible as text?

On white, #300E43 has a contrast ratio of 16.54:1 (passes WCAG AA for body text); on black it is 1.27:1 (fails). For text placed on #300E43, use white for the best readability.

What is the closest Tailwind color to #300E43?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #300E43?

#300E43 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #22430E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #300E43 below.

Is #300E43 good for buttons?

#300E43 works well for buttons and highlights, but use white text on #300E43 — black text only reaches 1.27:1, below the 4.5:1 needed for normal-size labels.

Is #300E43 the same as CSS midnightblue?

No — #300E43 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#300E43 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #300E43

Not just a swatch — here's how #300E43 works with other colors. Named schemes with #300E43 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #300E43 Anchor #141210 Accent #D99954 Secondary #2C2630 Surface #F3EDE3

Deep Purple 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 #300E43 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #140014

Deep Purple 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 Deep Purple.

Berry & Cream Lead · 5 colors

Lead #300E43 Surface #F5E6D7 Anchor #5C213F Accent #E5C2C7 Secondary #332B2F

Deep Purple sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Vintage Leather Lead · 5 colors

Lead #300E43 Secondary #7E4630 Surface #EDD8C1 Accent #355249 Anchor #592236

Deep Purple 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 #300E43 Secondary #4B4053 Support #9C9088 Ink #18140F

Deep Purple 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 Deep Purple carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #300E43 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 45/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

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 40/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

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

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 24/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #300E43

For UI

For branding

For interior

For fashion

People also use #300E43 with

Midnight Blue Deep Purple British Racing Green Gainsboro Onyx

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 16.5:1. Use

Subtle surface Use #DAC0E8 for cards and hover fills. Tint 80

Avoid beside #420E43 — 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 #300E43 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: #300E43;
  --color-base-rgb: 48 14 67;
  --color-base-oklch: oklch(25.0% 0.097 310.6);
  --color-50: #F9F2FD;
  --color-100: #EEDDF9;
  --color-200: #DDBCF1;
  --color-300: #C38EE2;
  --color-400: #A763CF;
  --color-500: #8A41B4;
  --color-600: #6C3889;
  --color-700: #4E2D62;
  --color-800: #352140;
  --color-900: #211627;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#F9F2FD',
    100: '#EEDDF9',
    200: '#DDBCF1',
    300: '#C38EE2',
    400: '#A763CF',
    500: '#8A41B4',
    600: '#6C3889',
    700: '#4E2D62',
    800: '#352140',
    900: '#211627',
  },
}

$base: #300E43;
$base-ink: #FFFFFF;
$base-50: #F9F2FD;
$base-100: #EEDDF9;
$base-200: #DDBCF1;
$base-300: #C38EE2;
$base-400: #A763CF;
$base-500: #8A41B4;
$base-600: #6C3889;
$base-700: #4E2D62;
$base-800: #352140;
$base-900: #211627;
$base-hover: #260B36;
$base-subtle: #C79FDE;

{
    "color": {
        "base": {
            "value": "#300E43",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9F2FD",
                "type": "color"
            },
            "100": {
                "value": "#EEDDF9",
                "type": "color"
            },
            "200": {
                "value": "#DDBCF1",
                "type": "color"
            },
            "300": {
                "value": "#C38EE2",
                "type": "color"
            },
            "400": {
                "value": "#A763CF",
                "type": "color"
            },
            "500": {
                "value": "#8A41B4",
                "type": "color"
            },
            "600": {
                "value": "#6C3889",
                "type": "color"
            },
            "700": {
                "value": "#4E2D62",
                "type": "color"
            },
            "800": {
                "value": "#352140",
                "type": "color"
            },
            "900": {
                "value": "#211627",
                "type": "color"
            }
        }
    }
}