What color is #1B0003?

#1B0003 is a very dark, vivid red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.

What is the RGB value of #1B0003?

The RGB value is 27, 0, 3: 27 red, 0 green and 3 blue on a 0 to 255 scale.

What is the complementary color of #1B0003?

The complementary color is #001B18, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B0003?

White text. Black text has a contrast ratio of 1.05:1 and white text 20.04:1. WCAG asks for at least 4.5:1 for normal text.

#1B0003 color

#1B0003 rgb(27, 0, 3)

Shades of black

The hex color #1B0003 is a very dark, vivid red.

In the RGB color model it is made of 10.6% red, 0% green and 1.2% blue (27, 0, 3).

Its hue angle is 353°, with 100% saturation and 5% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 89% yellow and 89% black.

The closest named color is Dwarf Fortress (#1D0200), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 20.04:1).

#1B0003 color codes

HEX	`#1B0003`
RGB	`rgb(27, 0, 3)`
RGB percent	`rgb(10.6%, 0%, 1.2%)`
HSL	`hsl(353, 100%, 5%)`
HSV / HSB	`hsv(353, 100%, 11%)`
CMYK	`cmyk(0%, 100%, 89%, 89%)`
CIE LAB	`lab(2.16, 9.86, 2.19)`
CIE LCH	`lch(2.16, 10.1, 12.53)`
CIE XYZ	`xyz(0.468, 0.24, 0.108)`
Decimal	`1769475`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B0003, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #1B0003	Ratio	AA	AAA	AA large
Sample text	1.05:1	Fail	Fail	Fail
Sample text	20.04:1	Pass	Pass	Pass

#1B0003 as text on	Ratio	AA	AAA	AA large
Sample text	20.04:1	Pass	Pass	Pass
Sample text	1.05:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #1B0003 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b0003; }
.text { color: #1b0003; }
.border { border: 2px solid #1b0003; }
.transparent { background-color: rgb(27 0 3 / 50%); }
.gradient { background: linear-gradient(to right, #1b0003, #1b0a00); }

Background

Text color

Border

Similar colors

Questions

What color is #1B0003?: #1B0003 is a very dark, vivid red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.
What is the RGB value of #1B0003?: The RGB value is 27, 0, 3: 27 red, 0 green and 3 blue on a 0 to 255 scale.
What is the complementary color of #1B0003?: The complementary color is #001B18, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B0003?: White text. Black text has a contrast ratio of 1.05:1 and white text 20.04:1. WCAG asks for at least 4.5:1 for normal text.