What color is #537DBF?

#537DBF is a desaturated azure, closest to the named color Serenity’s Reign. It belongs to the blue family of colors.

What is the RGB value of #537DBF?

The RGB value is 83, 125, 191: 83 red, 125 green and 191 blue on a 0 to 255 scale.

What is the complementary color of #537DBF?

The complementary color is #BF9553, found by rotating the hue 180° on the color wheel.

Is black or white text better on #537DBF?

Black text. Black text has a contrast ratio of 5.05:1 and white text 4.16:1. WCAG asks for at least 4.5:1 for normal text.

#537DBF color

#537DBF rgb(83, 125, 191)

Shades of blue

The hex color #537DBF is a desaturated azure.

In the RGB color model it is made of 32.5% red, 49% green and 74.9% blue (83, 125, 191).

Its hue angle is 217°, with 46% saturation and 54% lightness. For print, the CMYK equivalent is 57% cyan, 35% magenta, 0% yellow and 25% black.

The closest named color is Serenity’s Reign (#507BCE), a difference of 1.8 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.05:1).

#537DBF color codes

HEX	`#537DBF`
RGB	`rgb(83, 125, 191)`
RGB percent	`rgb(32.5%, 49%, 74.9%)`
HSL	`hsl(217, 46%, 54%)`
HSV / HSB	`hsv(217, 57%, 75%)`
CMYK	`cmyk(57%, 35%, 0%, 25%)`
CIE LAB	`lab(52.14, 5.19, -38.98)`
CIE LCH	`lch(52.14, 39.32, 277.58)`
CIE XYZ	`xyz(20.302, 20.266, 52.122)`
Decimal	`5471679`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #537DBF, 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 #537DBF	Ratio	AA	AAA	AA large
Sample text	5.05:1	Pass	Fail	Pass
Sample text	4.16:1	Fail	Fail	Pass

#537DBF as text on	Ratio	AA	AAA	AA large
Sample text	4.16:1	Fail	Fail	Pass
Sample text	5.05:1	Pass	Fail	Pass

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 #537DBF looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #537dbf; }
.text { color: #537dbf; }
.border { border: 2px solid #537dbf; }
.transparent { background-color: rgb(83 125 191 / 50%); }
.gradient { background: linear-gradient(to right, #537dbf, #5f53bf); }

Background

Text color

Border

Similar colors

Closest common color name: Steel Blue.

Questions

What color is #537DBF?: #537DBF is a desaturated azure, closest to the named color Serenity’s Reign. It belongs to the blue family of colors.
What is the RGB value of #537DBF?: The RGB value is 83, 125, 191: 83 red, 125 green and 191 blue on a 0 to 255 scale.
What is the complementary color of #537DBF?: The complementary color is #BF9553, found by rotating the hue 180° on the color wheel.
Is black or white text better on #537DBF?: Black text. Black text has a contrast ratio of 5.05:1 and white text 4.16:1. WCAG asks for at least 4.5:1 for normal text.