#001638 color

#001638 rgb(0, 22, 56)
Shades of black

The hex color #001638 is a very dark, vivid azure.

In the RGB color model it is made of 0% red, 8.6% green and 22% blue (0, 22, 56).

Its hue angle is 216°, with 100% saturation and 11% lightness. For print, the CMYK equivalent is 100% cyan, 61% magenta, 0% yellow and 78% black.

The closest named color is Squid’s Ink (#041330), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.92:1).

#001638 color codes

HEX#001638
RGBrgb(0, 22, 56)
RGB percentrgb(0%, 8.6%, 22%)
HSLhsl(216, 100%, 11%)
HSV / HSBhsv(216, 100%, 22%)
CMYKcmyk(100%, 61%, 0%, 78%)
CIE LABlab(7.76, 7.16, -24.7)
CIE LCHlch(7.76, 25.71, 286.16)
CIE XYZxyz(1, 0.859, 3.854)
Decimal5688
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #001638, 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 #001638RatioAAAAAAA large
Sample text1.17:1FailFailFail
Sample text17.92:1PassPassPass
#001638 as text onRatioAAAAAAA large
Sample text17.92:1PassPassPass
Sample text1.17:1FailFailFail

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 #001638 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001638; }
.text { color: #001638; }
.border { border: 2px solid #001638; }
.transparent { background-color: rgb(0 22 56 / 50%); }
.gradient { background: linear-gradient(to right, #001638, #060038); }
Background
Text color
Border

Similar colors

Questions

What color is #001638?
#001638 is a very dark, vivid azure, closest to the named color Squid’s Ink. It belongs to the black family of colors.
What is the RGB value of #001638?
The RGB value is 0, 22, 56: 0 red, 22 green and 56 blue on a 0 to 255 scale.
What is the complementary color of #001638?
The complementary color is #382200, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001638?
White text. Black text has a contrast ratio of 1.17:1 and white text 17.92:1. WCAG asks for at least 4.5:1 for normal text.