What color is #001B4A?

#001B4A is a very dark, vivid azure, closest to the named color Subnautical. It belongs to the black family of colors.

What is the RGB value of #001B4A?

The RGB value is 0, 27, 74: 0 red, 27 green and 74 blue on a 0 to 255 scale.

What is the complementary color of #001B4A?

The complementary color is #4A2F00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #001B4A?

White text. Black text has a contrast ratio of 1.26:1 and white text 16.72:1. WCAG asks for at least 4.5:1 for normal text.

#001B4A color

#001B4A rgb(0, 27, 74)

Shades of black

The hex color #001B4A is a very dark, vivid azure.

In the RGB color model it is made of 0% red, 10.6% green and 29% blue (0, 27, 74).

Its hue angle is 218°, with 100% saturation and 15% lightness. For print, the CMYK equivalent is 100% cyan, 64% magenta, 0% yellow and 71% black.

The closest named color is Subnautical (#012253), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.72:1).

#001B4A color codes

HEX	`#001B4A`
RGB	`rgb(0, 27, 74)`
RGB percent	`rgb(0%, 10.6%, 29%)`
HSL	`hsl(218, 100%, 15%)`
HSV / HSB	`hsv(218, 100%, 29%)`
CMYK	`cmyk(100%, 64%, 0%, 71%)`
CIE LAB	`lab(11.12, 11.97, -31.95)`
CIE LCH	`lch(11.12, 34.12, 290.54)`
CIE XYZ	`xyz(1.628, 1.278, 6.638)`
Decimal	`6986`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #001B4A, 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 #001B4A	Ratio	AA	AAA	AA large
Sample text	1.26:1	Fail	Fail	Fail
Sample text	16.72:1	Pass	Pass	Pass

#001B4A as text on	Ratio	AA	AAA	AA large
Sample text	16.72:1	Pass	Pass	Pass
Sample text	1.26:1	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 #001B4A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001b4a; }
.text { color: #001b4a; }
.border { border: 2px solid #001b4a; }
.transparent { background-color: rgb(0 27 74 / 50%); }
.gradient { background: linear-gradient(to right, #001b4a, #0a004a); }

Background

Text color

Border

Similar colors

Questions

What color is #001B4A?: #001B4A is a very dark, vivid azure, closest to the named color Subnautical. It belongs to the black family of colors.
What is the RGB value of #001B4A?: The RGB value is 0, 27, 74: 0 red, 27 green and 74 blue on a 0 to 255 scale.
What is the complementary color of #001B4A?: The complementary color is #4A2F00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001B4A?: White text. Black text has a contrast ratio of 1.26:1 and white text 16.72:1. WCAG asks for at least 4.5:1 for normal text.