What are the hex codes in the Royal Blue & Space Dream palette?

The Royal Blue & Space Dream color palette consists of Obsidian #010211, Space #283256, Royal Blue #425CD7, Lavender Gray #BDC3DE.

How should I use the Royal Blue & Space Dream palette on a website?

Use Lavender Gray #BDC3DE as the background, Obsidian #010211 for text, Royal Blue #425CD7 for buttons and links, and Space #283256 for accents. 2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Obsidian on Lavender Gray at 11.81:1.

Which colors in Royal Blue & Space Dream have enough contrast for text?

The highest-contrast pair is #010211 on #BDC3DE with a ratio of 11.81:1, which passes WCAG AA for normal text.

#010211Obsidian

#283256Space

#425CD7Royal Blue

#BDC3DELavender Gray

Royal Blue & Space Dream color palette

Dark Cold Black Blue

Color codes click any value to copy

Name	HEX	RGB	HSL	OKLCH
Obsidian	`#010211`	`rgb(1, 2, 17)`	`hsl(236, 89%, 4%)`	`oklch(10.0% 0.043 269)`
Space	`#283256`	`rgb(40, 50, 86)`	`hsl(227, 37%, 25%)`	`oklch(32.7% 0.065 271)`
Royal Blue	`#425CD7`	`rgb(66, 92, 215)`	`hsl(230, 65%, 55%)`	`oklch(52.8% 0.190 270)`
Lavender Gray	`#BDC3DE`	`rgb(189, 195, 222)`	`hsl(229, 33%, 81%)`	`oklch(82.1% 0.038 276)`

Why it works and how to use it

Royal Blue & Space Dream is a monochromatic color palette tagged dark, cold, black. A monochromatic set: the same hue family from Obsidian down to Lavender Gray. Saturation is moderate, which keeps it flexible for both interfaces and print. The overall temperature is cool.

It works because the lightness range is wide (4% to 81%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.

Background: Lavender Gray (#BDC3DE) is the lightest color, so it belongs on large surfaces.
Text: Obsidian (#010211) on #BDC3DE gives 11.81:1, passing WCAG AAA.
Primary: Royal Blue (#425CD7) is the most saturated mid-tone; use it for buttons and links (3.21:1 against the background, fine for UI elements).
Accent: Space (#283256) for highlights, badges and hover states.

2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Obsidian on Lavender Gray at 11.81:1.

Preview on a real UI see how the palette feels in context

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Design faster with Royal Blue & Space Dream

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary

Card title

Roles are assigned by lightness.

Color blindness simulation

#010211

#283256

#425CD7

#BDC3DE

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Palette card

Contrast check WCAG ratios between palette colors

Pair	Sample	Ratio	Level
`#010211` on `#BDC3DE`	Aa	11.81:1	AAA
`#283256` on `#BDC3DE`	Aa	7.15:1	AAA
`#010211` on `#425CD7`	Aa	3.68:1	AA large only
`#425CD7` on `#BDC3DE`	Aa	3.21:1	AA large only
`#283256` on `#425CD7`	Aa	2.23:1	Fail
`#010211` on `#283256`	Aa	1.65:1	Fail

:root {
  --obsidian: #010211;
  --space: #283256;
  --royal-blue: #425CD7;
  --lavender-gray: #BDC3DE;
}

$obsidian: #010211;
$space: #283256;
$royal-blue: #425CD7;
$lavender-gray: #BDC3DE;

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'obsidian': '#010211',
        'space': '#283256',
        'royal-blue': '#425CD7',
        'lavender-gray': '#BDC3DE',
      },
    },
  },
};

{
  "name": "Royal Blue & Space Dream",
  "colors": [
    "#010211",
    "#283256",
    "#425CD7",
    "#BDC3DE"
  ]
}

background: linear-gradient(135deg, #010211, #283256, #425CD7, #BDC3DE);

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Added 2026-09-05 · Free for commercial use, no attribution needed.

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