What color is #2F5581?

#2F5581 is a dark, desaturated azure, closest to the named color Slumber. It belongs to the blue family of colors.

What is the RGB value of #2F5581?

The RGB value is 47, 85, 129: 47 red, 85 green and 129 blue on a 0 to 255 scale.

What is the complementary color of #2F5581?

The complementary color is #815B2F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #2F5581?

White text. Black text has a contrast ratio of 2.74:1 and white text 7.67:1. WCAG asks for at least 4.5:1 for normal text.

#2F5581 color

#2F5581 rgb(47, 85, 129)

Shades of blue

The hex color #2F5581 is a dark, desaturated azure.

In the RGB color model it is made of 18.4% red, 33.3% green and 50.6% blue (47, 85, 129).

Its hue angle is 212°, with 47% saturation and 35% lightness. For print, the CMYK equivalent is 64% cyan, 34% magenta, 0% yellow and 49% black.

The closest named color is Slumber (#2D517C), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.67:1).

#2F5581 color codes

HEX	`#2F5581`
RGB	`rgb(47, 85, 129)`
RGB percent	`rgb(18.4%, 33.3%, 50.6%)`
HSL	`hsl(212, 47%, 35%)`
HSV / HSB	`hsv(212, 64%, 51%)`
CMYK	`cmyk(64%, 34%, 0%, 49%)`
CIE LAB	`lab(35.37, 1.12, -28.79)`
CIE LCH	`lch(35.37, 28.81, 272.24)`
CIE XYZ	`xyz(8.382, 8.686, 21.999)`
Decimal	`3102081`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #2F5581, 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 #2F5581	Ratio	AA	AAA	AA large
Sample text	2.74:1	Fail	Fail	Fail
Sample text	7.67:1	Pass	Pass	Pass

#2F5581 as text on	Ratio	AA	AAA	AA large
Sample text	7.67:1	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 #2F5581 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #2f5581; }
.text { color: #2f5581; }
.border { border: 2px solid #2f5581; }
.transparent { background-color: rgb(47 85 129 / 50%); }
.gradient { background: linear-gradient(to right, #2f5581, #322f81); }

Background

Text color

Border

Similar colors

Closest common color name: Denim.

Questions

What color is #2F5581?: #2F5581 is a dark, desaturated azure, closest to the named color Slumber. It belongs to the blue family of colors.
What is the RGB value of #2F5581?: The RGB value is 47, 85, 129: 47 red, 85 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #2F5581?: The complementary color is #815B2F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #2F5581?: White text. Black text has a contrast ratio of 2.74:1 and white text 7.67:1. WCAG asks for at least 4.5:1 for normal text.