What color is #213C58?

#213C58 is a dark, desaturated azure, closest to the named color Poseidon. It belongs to the blue family of colors.

What is the RGB value of #213C58?

The RGB value is 33, 60, 88: 33 red, 60 green and 88 blue on a 0 to 255 scale.

What is the complementary color of #213C58?

The complementary color is #583D21, found by rotating the hue 180° on the color wheel.

Is black or white text better on #213C58?

White text. Black text has a contrast ratio of 1.85:1 and white text 11.34:1. WCAG asks for at least 4.5:1 for normal text.

#213C58 color

#213C58 rgb(33, 60, 88)

Shades of blue

The hex color #213C58 is a dark, desaturated azure.

In the RGB color model it is made of 12.9% red, 23.5% green and 34.5% blue (33, 60, 88).

Its hue angle is 211°, with 45% saturation and 24% lightness. For print, the CMYK equivalent is 63% cyan, 32% magenta, 0% yellow and 65% black.

The closest named color is Poseidon (#143C5D), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.34:1).

#213C58 color codes

HEX	`#213C58`
RGB	`rgb(33, 60, 88)`
RGB percent	`rgb(12.9%, 23.5%, 34.5%)`
HSL	`hsl(211, 45%, 24%)`
HSV / HSB	`hsv(211, 63%, 35%)`
CMYK	`cmyk(63%, 32%, 0%, 65%)`
CIE LAB	`lab(24.51, -0.64, -19.91)`
CIE LCH	`lch(24.51, 19.92, 268.16)`
CIE XYZ	`xyz(4.004, 4.259, 9.842)`
Decimal	`2178136`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #213C58, 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 #213C58	Ratio	AA	AAA	AA large
Sample text	1.85:1	Fail	Fail	Fail
Sample text	11.34:1	Pass	Pass	Pass

#213C58 as text on	Ratio	AA	AAA	AA large
Sample text	11.34:1	Pass	Pass	Pass
Sample text	1.85:1	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 #213C58 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #213c58; }
.text { color: #213c58; }
.border { border: 2px solid #213c58; }
.transparent { background-color: rgb(33 60 88 / 50%); }
.gradient { background: linear-gradient(to right, #213c58, #212158); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #213C58?: #213C58 is a dark, desaturated azure, closest to the named color Poseidon. It belongs to the blue family of colors.
What is the RGB value of #213C58?: The RGB value is 33, 60, 88: 33 red, 60 green and 88 blue on a 0 to 255 scale.
What is the complementary color of #213C58?: The complementary color is #583D21, found by rotating the hue 180° on the color wheel.
Is black or white text better on #213C58?: White text. Black text has a contrast ratio of 1.85:1 and white text 11.34:1. WCAG asks for at least 4.5:1 for normal text.