What color is #21396C?

#21396C is a dark, moderate blue, closest to the named color Atlantic Navy. It belongs to the blue family of colors.

What is the RGB value of #21396C?

The RGB value is 33, 57, 108: 33 red, 57 green and 108 blue on a 0 to 255 scale.

What is the complementary color of #21396C?

The complementary color is #6C5421, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21396C?

White text. Black text has a contrast ratio of 1.87:1 and white text 11.25:1. WCAG asks for at least 4.5:1 for normal text.

#21396C color

#21396C rgb(33, 57, 108)

Shades of blue

The hex color #21396C is a dark, moderate blue.

In the RGB color model it is made of 12.9% red, 22.4% green and 42.4% blue (33, 57, 108).

Its hue angle is 221°, with 53% saturation and 28% lightness. For print, the CMYK equivalent is 69% cyan, 47% magenta, 0% yellow and 58% black.

The closest named color is Atlantic Navy (#13336F), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.25:1).

#21396C color codes

HEX	`#21396C`
RGB	`rgb(33, 57, 108)`
RGB percent	`rgb(12.9%, 22.4%, 42.4%)`
HSL	`hsl(221, 53%, 28%)`
HSV / HSB	`hsv(221, 69%, 42%)`
CMYK	`cmyk(69%, 47%, 0%, 58%)`
CIE LAB	`lab(24.74, 9.16, -32.52)`
CIE LCH	`lch(24.74, 33.78, 285.74)`
CIE XYZ	`xyz(4.796, 4.332, 14.768)`
Decimal	`2177388`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21396C, 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 #21396C	Ratio	AA	AAA	AA large
Sample text	1.87:1	Fail	Fail	Fail
Sample text	11.25:1	Pass	Pass	Pass

#21396C as text on	Ratio	AA	AAA	AA large
Sample text	11.25:1	Pass	Pass	Pass
Sample text	1.87:1	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 #21396C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21396c; }
.text { color: #21396c; }
.border { border: 2px solid #21396c; }
.transparent { background-color: rgb(33 57 108 / 50%); }
.gradient { background: linear-gradient(to right, #21396c, #2e216c); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #21396C?: #21396C is a dark, moderate blue, closest to the named color Atlantic Navy. It belongs to the blue family of colors.
What is the RGB value of #21396C?: The RGB value is 33, 57, 108: 33 red, 57 green and 108 blue on a 0 to 255 scale.
What is the complementary color of #21396C?: The complementary color is #6C5421, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21396C?: White text. Black text has a contrast ratio of 1.87:1 and white text 11.25:1. WCAG asks for at least 4.5:1 for normal text.