What color is #1D2D9B?

#1D2D9B is a dark blue. In RGB it is rgb(29, 45, 155), and in HSL hsl(232, 68%, 36%).

Is #1D2D9B accessible as text?

On white, #1D2D9B has a contrast ratio of 11.05:1 (passes WCAG AA for body text); on black it is 1.90:1 (fails). For text placed on #1D2D9B, use white for the best readability.

What is the closest Tailwind color to #1D2D9B?

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

What colors go well with #1D2D9B?

#1D2D9B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9A8A1D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1D2D9B below.

Is #1D2D9B good for buttons?

#1D2D9B works well for buttons and highlights, but use white text on #1D2D9B — black text only reaches 1.90:1, below the 4.5:1 needed for normal-size labels.

Is #1D2D9B the same as CSS darkslateblue?

No — #1D2D9B is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#1D2D9B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1D2D9B

Not just a swatch — here's how #1D2D9B works with other colors. Named schemes with #1D2D9B in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #1D2D9B Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F4ECE3

Egyptian 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 #1D2D9B Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #220C58

Egyptian 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 Egyptian Blue.

Coastal Morning Lead · 5 colors

Lead #1D2D9B Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Egyptian 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 #1D2D9B Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

Egyptian 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 #1D2D9B Secondary #57658A Support #9D8F88 Ink #18140F

Egyptian 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 Egyptian Blue carrying the quiet middle.

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Color Lab

How #1D2D9B 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 11/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

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 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 63/100

High

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

Brand distinctiveness 68/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 61/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 16/100

Very low

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

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #1D2D9B

For UI

For branding

For interior

For fashion

People also use #1D2D9B with

Bondi Blue Indigo Dark Goldenrod 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 11.0:1. Use

Subtle surface Use #CED3EE for cards and hover fills. Tint 80

Avoid beside #361D9A — 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 #1D2D9B 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: #1D2D9B;
  --color-base-rgb: 29 45 155;
  --color-base-oklch: oklch(37.0% 0.177 268.6);
  --color-50: #F2F3FD;
  --color-100: #DCE0F9;
  --color-200: #BBC2F2;
  --color-300: #8C97E3;
  --color-400: #6170D1;
  --color-500: #3F4FB6;
  --color-600: #37428B;
  --color-700: #2C3363;
  --color-800: #202441;
  --color-900: #151828;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  egyptian-blue: {
    50: '#F2F3FD',
    100: '#DCE0F9',
    200: '#BBC2F2',
    300: '#8C97E3',
    400: '#6170D1',
    500: '#3F4FB6',
    600: '#37428B',
    700: '#2C3363',
    800: '#202441',
    900: '#151828',
  },
}

$base: #1D2D9B;
$base-ink: #FFFFFF;
$base-50: #F2F3FD;
$base-100: #DCE0F9;
$base-200: #BBC2F2;
$base-300: #8C97E3;
$base-400: #6170D1;
$base-500: #3F4FB6;
$base-600: #37428B;
$base-700: #2C3363;
$base-800: #202441;
$base-900: #151828;
$base-hover: #18257B;
$base-subtle: #B5BBE7;

{
    "color": {
        "base": {
            "value": "#1D2D9B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F3FD",
                "type": "color"
            },
            "100": {
                "value": "#DCE0F9",
                "type": "color"
            },
            "200": {
                "value": "#BBC2F2",
                "type": "color"
            },
            "300": {
                "value": "#8C97E3",
                "type": "color"
            },
            "400": {
                "value": "#6170D1",
                "type": "color"
            },
            "500": {
                "value": "#3F4FB6",
                "type": "color"
            },
            "600": {
                "value": "#37428B",
                "type": "color"
            },
            "700": {
                "value": "#2C3363",
                "type": "color"
            },
            "800": {
                "value": "#202441",
                "type": "color"
            },
            "900": {
                "value": "#151828",
                "type": "color"
            }
        }
    }
}

Palettes built on #1D2D9B

Color Lab

Pairs with #1D2D9B

UI roles & guardrails

In real applications

Scales

Every model

Export