What color is #5B5F81?

#5B5F81 is a grayish blue, closest to the named color Deep Indigo. It belongs to the blue family of colors.

What is the RGB value of #5B5F81?

The RGB value is 91, 95, 129: 91 red, 95 green and 129 blue on a 0 to 255 scale.

What is the complementary color of #5B5F81?

The complementary color is #817D5B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #5B5F81?

White text. Black text has a contrast ratio of 3.4:1 and white text 6.18:1. WCAG asks for at least 4.5:1 for normal text.

#5B5F81 color

#5B5F81 rgb(91, 95, 129)

Shades of blue

The hex color #5B5F81 is a grayish blue.

In the RGB color model it is made of 35.7% red, 37.3% green and 50.6% blue (91, 95, 129).

Its hue angle is 234°, with 17% saturation and 43% lightness. For print, the CMYK equivalent is 29% cyan, 26% magenta, 0% yellow and 49% black.

The closest named color is Deep Indigo (#4C567A), a difference of 4.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.18:1).

#5B5F81 color codes

HEX	`#5B5F81`
RGB	`rgb(91, 95, 129)`
RGB percent	`rgb(35.7%, 37.3%, 50.6%)`
HSL	`hsl(234, 17%, 43%)`
HSV / HSB	`hsv(234, 29%, 51%)`
CMYK	`cmyk(29%, 26%, 0%, 49%)`
CIE LAB	`lab(41.21, 6.8, -19.49)`
CIE LCH	`lch(41.21, 20.64, 289.23)`
CIE XYZ	`xyz(12.368, 11.993, 22.428)`
Decimal	`5988225`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #5B5F81, 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 #5B5F81	Ratio	AA	AAA	AA large
Sample text	3.4:1	Fail	Fail	Pass
Sample text	6.18:1	Pass	Fail	Pass

#5B5F81 as text on	Ratio	AA	AAA	AA large
Sample text	6.18:1	Pass	Fail	Pass
Sample text	3.4:1	Fail	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 #5B5F81 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #5b5f81; }
.text { color: #5b5f81; }
.border { border: 2px solid #5b5f81; }
.transparent { background-color: rgb(91 95 129 / 50%); }
.gradient { background: linear-gradient(to right, #5b5f81, #6a5b81); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #5B5F81?: #5B5F81 is a grayish blue, closest to the named color Deep Indigo. It belongs to the blue family of colors.
What is the RGB value of #5B5F81?: The RGB value is 91, 95, 129: 91 red, 95 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #5B5F81?: The complementary color is #817D5B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #5B5F81?: White text. Black text has a contrast ratio of 3.4:1 and white text 6.18:1. WCAG asks for at least 4.5:1 for normal text.