What color is #2F3F57?

#2F3F57 is a dark, desaturated azure, closest to the named color Pi. It belongs to the blue family of colors.

What is the RGB value of #2F3F57?

The RGB value is 47, 63, 87: 47 red, 63 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #2F3F57?

The complementary color is #57472F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #2F3F57?

White text. Black text has a contrast ratio of 1.97:1 and white text 10.66:1. WCAG asks for at least 4.5:1 for normal text.

#2F3F57 color

#2F3F57 rgb(47, 63, 87)

Shades of blue

The hex color #2F3F57 is a dark, desaturated azure.

In the RGB color model it is made of 18.4% red, 24.7% green and 34.1% blue (47, 63, 87).

Its hue angle is 216°, with 30% saturation and 26% lightness. For print, the CMYK equivalent is 46% cyan, 28% magenta, 0% yellow and 66% black.

The closest named color is Pi (#314159), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.66:1).

#2F3F57 color codes

HEX	`#2F3F57`
RGB	`rgb(47, 63, 87)`
RGB percent	`rgb(18.4%, 24.7%, 34.1%)`
HSL	`hsl(216, 30%, 26%)`
HSV / HSB	`hsv(216, 46%, 34%)`
CMYK	`cmyk(46%, 28%, 0%, 66%)`
CIE LAB	`lab(26.29, 0.82, -16.42)`
CIE LCH	`lch(26.29, 16.44, 272.86)`
CIE XYZ	`xyz(4.67, 4.847, 9.705)`
Decimal	`3096407`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #2F3F57, 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 #2F3F57	Ratio	AA	AAA	AA large
Sample text	1.97:1	Fail	Fail	Fail
Sample text	10.66:1	Pass	Pass	Pass

#2F3F57 as text on	Ratio	AA	AAA	AA large
Sample text	10.66:1	Pass	Pass	Pass
Sample text	1.97:1	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 #2F3F57 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #2f3f57; }
.text { color: #2f3f57; }
.border { border: 2px solid #2f3f57; }
.transparent { background-color: rgb(47 63 87 / 50%); }
.gradient { background: linear-gradient(to right, #2f3f57, #332f57); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #2F3F57?: #2F3F57 is a dark, desaturated azure, closest to the named color Pi. It belongs to the blue family of colors.
What is the RGB value of #2F3F57?: The RGB value is 47, 63, 87: 47 red, 63 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #2F3F57?: The complementary color is #57472F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #2F3F57?: White text. Black text has a contrast ratio of 1.97:1 and white text 10.66:1. WCAG asks for at least 4.5:1 for normal text.