What color is #21519E?

#21519E is a dark, moderate azure, closest to the named color Le Grand Bleu. It belongs to the blue family of colors.

What is the RGB value of #21519E?

The RGB value is 33, 81, 158: 33 red, 81 green and 158 blue on a 0 to 255 scale.

What is the complementary color of #21519E?

The complementary color is #9E6E21, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21519E?

White text. Black text has a contrast ratio of 2.74:1 and white text 7.68:1. WCAG asks for at least 4.5:1 for normal text.

#21519E color

#21519E rgb(33, 81, 158)

Shades of blue

The hex color #21519E is a dark, moderate azure.

In the RGB color model it is made of 12.9% red, 31.8% green and 62% blue (33, 81, 158).

Its hue angle is 217°, with 65% saturation and 37% lightness. For print, the CMYK equivalent is 79% cyan, 49% magenta, 0% yellow and 38% black.

The closest named color is Le Grand Bleu (#244E94), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.68:1).

#21519E color codes

HEX	`#21519E`
RGB	`rgb(33, 81, 158)`
RGB percent	`rgb(12.9%, 31.8%, 62%)`
HSL	`hsl(217, 65%, 37%)`
HSV / HSB	`hsv(217, 79%, 62%)`
CMYK	`cmyk(79%, 49%, 0%, 38%)`
CIE LAB	`lab(35.35, 12.62, -46.48)`
CIE LCH	`lch(35.35, 48.17, 285.19)`
CIE XYZ	`xyz(9.739, 8.676, 33.502)`
Decimal	`2183582`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21519E, 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 #21519E	Ratio	AA	AAA	AA large
Sample text	2.74:1	Fail	Fail	Fail
Sample text	7.68:1	Pass	Pass	Pass

#21519E as text on	Ratio	AA	AAA	AA large
Sample text	7.68:1	Pass	Pass	Pass
Sample text	2.74:1	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 #21519E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21519e; }
.text { color: #21519e; }
.border { border: 2px solid #21519e; }
.transparent { background-color: rgb(33 81 158 / 50%); }
.gradient { background: linear-gradient(to right, #21519e, #30219e); }

Background

Text color

Border

Similar colors

Closest common color name: Sapphire.

Questions

What color is #21519E?: #21519E is a dark, moderate azure, closest to the named color Le Grand Bleu. It belongs to the blue family of colors.
What is the RGB value of #21519E?: The RGB value is 33, 81, 158: 33 red, 81 green and 158 blue on a 0 to 255 scale.
What is the complementary color of #21519E?: The complementary color is #9E6E21, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21519E?: White text. Black text has a contrast ratio of 2.74:1 and white text 7.68:1. WCAG asks for at least 4.5:1 for normal text.