What color is #333A57?

#333A57 is a dark, desaturated blue, closest to the named color Mediaeval Blue. It belongs to the blue family of colors.

What is the RGB value of #333A57?

The RGB value is 51, 58, 87: 51 red, 58 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #333A57?

The complementary color is #575033, found by rotating the hue 180° on the color wheel.

Is black or white text better on #333A57?

White text. Black text has a contrast ratio of 1.88:1 and white text 11.15:1. WCAG asks for at least 4.5:1 for normal text.

#333A57 color

#333A57 rgb(51, 58, 87)

Shades of blue

The hex color #333A57 is a dark, desaturated blue.

In the RGB color model it is made of 20% red, 22.7% green and 34.1% blue (51, 58, 87).

Its hue angle is 228°, with 26% saturation and 27% lightness. For print, the CMYK equivalent is 41% cyan, 33% magenta, 0% yellow and 66% black.

The closest named color is Mediaeval Blue (#2E3858), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.15:1).

#333A57 color codes

HEX	`#333A57`
RGB	`rgb(51, 58, 87)`
RGB percent	`rgb(20%, 22.7%, 34.1%)`
HSL	`hsl(228, 26%, 27%)`
HSV / HSB	`hsv(228, 41%, 34%)`
CMYK	`cmyk(41%, 33%, 0%, 66%)`
CIE LAB	`lab(25.01, 5.43, -18.39)`
CIE LCH	`lch(25.01, 19.18, 286.45)`
CIE XYZ	`xyz(4.598, 4.418, 9.625)`
Decimal	`3357271`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #333A57, 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 #333A57	Ratio	AA	AAA	AA large
Sample text	1.88:1	Fail	Fail	Fail
Sample text	11.15:1	Pass	Pass	Pass

#333A57 as text on	Ratio	AA	AAA	AA large
Sample text	11.15:1	Pass	Pass	Pass
Sample text	1.88:1	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 #333A57 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #333a57; }
.text { color: #333a57; }
.border { border: 2px solid #333a57; }
.transparent { background-color: rgb(51 58 87 / 50%); }
.gradient { background: linear-gradient(to right, #333a57, #3e3357); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #333A57?: #333A57 is a dark, desaturated blue, closest to the named color Mediaeval Blue. It belongs to the blue family of colors.
What is the RGB value of #333A57?: The RGB value is 51, 58, 87: 51 red, 58 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #333A57?: The complementary color is #575033, found by rotating the hue 180° on the color wheel.
Is black or white text better on #333A57?: White text. Black text has a contrast ratio of 1.88:1 and white text 11.15:1. WCAG asks for at least 4.5:1 for normal text.