What color is #40437D?

#40437D is a dark, desaturated blue, closest to the named color Queen of the Night Shift. It belongs to the blue family of colors.

What is the RGB value of #40437D?

The RGB value is 64, 67, 125: 64 red, 67 green and 125 blue on a 0 to 255 scale.

What is the complementary color of #40437D?

The complementary color is #7D7A40, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40437D?

White text. Black text has a contrast ratio of 2.32:1 and white text 9.06:1. WCAG asks for at least 4.5:1 for normal text.

#40437D color

#40437D rgb(64, 67, 125)

Shades of blue

The hex color #40437D is a dark, desaturated blue.

In the RGB color model it is made of 25.1% red, 26.3% green and 49% blue (64, 67, 125).

Its hue angle is 237°, with 32% saturation and 37% lightness. For print, the CMYK equivalent is 49% cyan, 46% magenta, 0% yellow and 51% black.

The closest named color is Queen of the Night Shift (#3D4585), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.06:1).

#40437D color codes

HEX	`#40437D`
RGB	`rgb(64, 67, 125)`
RGB percent	`rgb(25.1%, 26.3%, 49%)`
HSL	`hsl(237, 32%, 37%)`
HSV / HSB	`hsv(237, 49%, 49%)`
CMYK	`cmyk(49%, 46%, 0%, 51%)`
CIE LAB	`lab(30.84, 15.58, -33.41)`
CIE LCH	`lch(30.84, 36.87, 295)`
CIE XYZ	`xyz(7.822, 6.585, 20.257)`
Decimal	`4211581`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40437D, 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 #40437D	Ratio	AA	AAA	AA large
Sample text	2.32:1	Fail	Fail	Fail
Sample text	9.06:1	Pass	Pass	Pass

#40437D as text on	Ratio	AA	AAA	AA large
Sample text	9.06:1	Pass	Pass	Pass
Sample text	2.32:1	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 #40437D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40437d; }
.text { color: #40437d; }
.border { border: 2px solid #40437d; }
.transparent { background-color: rgb(64 67 125 / 50%); }
.gradient { background: linear-gradient(to right, #40437d, #5b407d); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #40437D?: #40437D is a dark, desaturated blue, closest to the named color Queen of the Night Shift. It belongs to the blue family of colors.
What is the RGB value of #40437D?: The RGB value is 64, 67, 125: 64 red, 67 green and 125 blue on a 0 to 255 scale.
What is the complementary color of #40437D?: The complementary color is #7D7A40, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40437D?: White text. Black text has a contrast ratio of 2.32:1 and white text 9.06:1. WCAG asks for at least 4.5:1 for normal text.