What color is #15033E?

#15033E is a very dark, vivid indigo. In RGB it is rgb(21, 3, 62), and in HSL hsl(258, 91%, 13%).

Is #15033E accessible as text?

On white, #15033E has a contrast ratio of 18.84:1 (passes WCAG AA for body text); on black it is 1.11:1 (fails). For text placed on #15033E, use white for the best readability.

What is the closest Tailwind color to #15033E?

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

What colors go well with #15033E?

#15033E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2D3F03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #15033E below.

Is #15033E good for buttons?

#15033E works well for buttons and highlights, but use white text on #15033E — black text only reaches 1.11:1, below the 4.5:1 needed for normal-size labels.

Is #15033E the same as CSS midnightblue?

No — #15033E 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.

#15033E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #15033E

Not just a swatch — here's how #15033E works with other colors. Named schemes with #15033E in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #15033E Anchor #141210 Accent #DB9757 Secondary #282832 Surface #F3ECE3

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 #15033E Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DA Accent #04000F

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.

Coastal Morning Lead · 5 colors

Lead #15033E Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Deep Purple 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 #15033E Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

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 #15033E Secondary #343347 Support #9D9088 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 #15033E 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 18/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

Very 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 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 83/100

Very high

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

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 13/100

Very low

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

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #15033E

For UI

For branding

For interior

For fashion

People also use #15033E with

Midnight Blue Deep Purple British Racing Green Gainsboro Russian Violet

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 18.8:1. Use

Subtle surface Use #C7B6F0 for cards and hover fills. Tint 80

Avoid beside #29033F — 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 #15033E 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: #15033E;
  --color-base-rgb: 21 3 62;
  --color-base-oklch: oklch(19.2% 0.102 286.9);
  --color-50: #F5F0FE;
  --color-100: #E3D8FD;
  --color-200: #C7B1FB;
  --color-300: #A07DF2;
  --color-400: #7B4EE4;
  --color-500: #5A2ACB;
  --color-600: #4A289A;
  --color-700: #39236C;
  --color-800: #281B46;
  --color-900: #1A122B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  deep-purple: {
    50: '#F5F0FE',
    100: '#E3D8FD',
    200: '#C7B1FB',
    300: '#A07DF2',
    400: '#7B4EE4',
    500: '#5A2ACB',
    600: '#4A289A',
    700: '#39236C',
    800: '#281B46',
    900: '#1A122B',
  },
}

$base: #15033E;
$base-ink: #FFFFFF;
$base-50: #F5F0FE;
$base-100: #E3D8FD;
$base-200: #C7B1FB;
$base-300: #A07DF2;
$base-400: #7B4EE4;
$base-500: #5A2ACB;
$base-600: #4A289A;
$base-700: #39236C;
$base-800: #281B46;
$base-900: #1A122B;
$base-hover: #110233;
$base-subtle: #AA8EEA;

{
    "color": {
        "base": {
            "value": "#15033E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F0FE",
                "type": "color"
            },
            "100": {
                "value": "#E3D8FD",
                "type": "color"
            },
            "200": {
                "value": "#C7B1FB",
                "type": "color"
            },
            "300": {
                "value": "#A07DF2",
                "type": "color"
            },
            "400": {
                "value": "#7B4EE4",
                "type": "color"
            },
            "500": {
                "value": "#5A2ACB",
                "type": "color"
            },
            "600": {
                "value": "#4A289A",
                "type": "color"
            },
            "700": {
                "value": "#39236C",
                "type": "color"
            },
            "800": {
                "value": "#281B46",
                "type": "color"
            },
            "900": {
                "value": "#1A122B",
                "type": "color"
            }
        }
    }
}

Palettes built on #15033E

Color Lab

Pairs with #15033E

UI roles & guardrails

In real applications

Scales

Every model

Export