What color is #2147AB?

#2147AB is a moderate blue, closest to the named color Cobalt Blue. It belongs to the blue family of colors.

What is the RGB value of #2147AB?

The RGB value is 33, 71, 171: 33 red, 71 green and 171 blue on a 0 to 255 scale.

What is the complementary color of #2147AB?

The complementary color is #AB8521, found by rotating the hue 180° on the color wheel.

Is black or white text better on #2147AB?

White text. Black text has a contrast ratio of 2.55:1 and white text 8.22:1. WCAG asks for at least 4.5:1 for normal text.

#2147AB color

#2147AB rgb(33, 71, 171)

Shades of blue

The hex color #2147AB is a moderate blue.

In the RGB color model it is made of 12.9% red, 27.8% green and 67.1% blue (33, 71, 171).

Its hue angle is 223°, with 68% saturation and 40% lightness. For print, the CMYK equivalent is 81% cyan, 58% magenta, 0% yellow and 33% black.

The closest named color is Cobalt Blue (#0047AB), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.22:1).

#2147AB color codes

HEX	`#2147AB`
RGB	`rgb(33, 71, 171)`
RGB percent	`rgb(12.9%, 27.8%, 67.1%)`
HSL	`hsl(223, 68%, 40%)`
HSV / HSB	`hsv(223, 81%, 67%)`
CMYK	`cmyk(81%, 58%, 0%, 33%)`
CIE LAB	`lab(33.5, 24.48, -57.28)`
CIE LCH	`lch(33.5, 62.29, 293.14)`
CIE XYZ	`xyz(10.229, 7.769, 39.481)`
Decimal	`2181035`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #2147AB, 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 #2147AB	Ratio	AA	AAA	AA large
Sample text	2.55:1	Fail	Fail	Fail
Sample text	8.22:1	Pass	Pass	Pass

#2147AB as text on	Ratio	AA	AAA	AA large
Sample text	8.22:1	Pass	Pass	Pass
Sample text	2.55:1	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 #2147AB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #2147ab; }
.text { color: #2147ab; }
.border { border: 2px solid #2147ab; }
.transparent { background-color: rgb(33 71 171 / 50%); }
.gradient { background: linear-gradient(to right, #2147ab, #4021ab); }

Background

Text color

Border

Similar colors

Questions

What color is #2147AB?: #2147AB is a moderate blue, closest to the named color Cobalt Blue. It belongs to the blue family of colors.
What is the RGB value of #2147AB?: The RGB value is 33, 71, 171: 33 red, 71 green and 171 blue on a 0 to 255 scale.
What is the complementary color of #2147AB?: The complementary color is #AB8521, found by rotating the hue 180° on the color wheel.
Is black or white text better on #2147AB?: White text. Black text has a contrast ratio of 2.55:1 and white text 8.22:1. WCAG asks for at least 4.5:1 for normal text.