What color is #40837B?

#40837B is a desaturated spring green, closest to the named color Emerald Whispers. It belongs to the teal family of colors.

What is the RGB value of #40837B?

The RGB value is 64, 131, 123: 64 red, 131 green and 123 blue on a 0 to 255 scale.

What is the complementary color of #40837B?

The complementary color is #834048, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40837B?

Black text. Black text has a contrast ratio of 4.75:1 and white text 4.42:1. WCAG asks for at least 4.5:1 for normal text.

#40837B color

#40837B rgb(64, 131, 123)

Shades of teal

The hex color #40837B is a desaturated spring green.

In the RGB color model it is made of 25.1% red, 51.4% green and 48.2% blue (64, 131, 123).

Its hue angle is 173°, with 34% saturation and 38% lightness. For print, the CMYK equivalent is 51% cyan, 0% magenta, 6% yellow and 49% black.

The closest named color is Emerald Whispers (#2B8478), a difference of 2.9 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 4.75:1).

#40837B color codes

HEX	`#40837B`
RGB	`rgb(64, 131, 123)`
RGB percent	`rgb(25.1%, 51.4%, 48.2%)`
HSL	`hsl(173, 34%, 38%)`
HSV / HSB	`hsv(173, 51%, 51%)`
CMYK	`cmyk(51%, 0%, 6%, 49%)`
CIE LAB	`lab(50.4, -23.36, -2.22)`
CIE LCH	`lch(50.4, 23.47, 185.42)`
CIE XYZ	`xyz(13.804, 18.751, 21.627)`
Decimal	`4227963`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40837B, 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 #40837B	Ratio	AA	AAA	AA large
Sample text	4.75:1	Pass	Fail	Pass
Sample text	4.42:1	Fail	Fail	Pass

#40837B as text on	Ratio	AA	AAA	AA large
Sample text	4.42:1	Fail	Fail	Pass
Sample text	4.75:1	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 #40837B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40837b; }
.text { color: #40837b; }
.border { border: 2px solid #40837b; }
.transparent { background-color: rgb(64 131 123 / 50%); }
.gradient { background: linear-gradient(to right, #40837b, #406a83); }

Background

Text color

Border

Similar colors

Closest common color name: Teal.

Questions

What color is #40837B?: #40837B is a desaturated spring green, closest to the named color Emerald Whispers. It belongs to the teal family of colors.
What is the RGB value of #40837B?: The RGB value is 64, 131, 123: 64 red, 131 green and 123 blue on a 0 to 255 scale.
What is the complementary color of #40837B?: The complementary color is #834048, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40837B?: Black text. Black text has a contrast ratio of 4.75:1 and white text 4.42:1. WCAG asks for at least 4.5:1 for normal text.