What color is #423F37?

#423F37 is a dark, grayish orange, closest to the named color Deepest Nightmare. It belongs to the gray family of colors.

What is the RGB value of #423F37?

The RGB value is 66, 63, 55: 66 red, 63 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #423F37?

The complementary color is #373A42, found by rotating the hue 180° on the color wheel.

Is black or white text better on #423F37?

White text. Black text has a contrast ratio of 2:1 and white text 10.51:1. WCAG asks for at least 4.5:1 for normal text.

#423F37 color

#423F37 rgb(66, 63, 55)

Shades of gray

The hex color #423F37 is a dark, grayish orange.

In the RGB color model it is made of 25.9% red, 24.7% green and 21.6% blue (66, 63, 55).

Its hue angle is 44°, with 9% saturation and 24% lightness. For print, the CMYK equivalent is 0% cyan, 5% magenta, 17% yellow and 74% black.

The closest named color is Deepest Nightmare (#44413C), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.51:1).

#423F37 color codes

HEX	`#423F37`
RGB	`rgb(66, 63, 55)`
RGB percent	`rgb(25.9%, 24.7%, 21.6%)`
HSL	`hsl(44, 9%, 24%)`
HSV / HSB	`hsv(44, 17%, 26%)`
CMYK	`cmyk(0%, 5%, 17%, 74%)`
CIE LAB	`lab(26.7, -0.37, 5.37)`
CIE LCH	`lch(26.7, 5.38, 93.9)`
CIE XYZ	`xyz(4.714, 4.989, 4.328)`
Decimal	`4341559`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #423F37, 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 #423F37	Ratio	AA	AAA	AA large
Sample text	2:1	Fail	Fail	Fail
Sample text	10.51:1	Pass	Pass	Pass

#423F37 as text on	Ratio	AA	AAA	AA large
Sample text	10.51:1	Pass	Pass	Pass
Sample text	2:1	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 #423F37 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #423f37; }
.text { color: #423f37; }
.border { border: 2px solid #423f37; }
.transparent { background-color: rgb(66 63 55 / 50%); }
.gradient { background: linear-gradient(to right, #423f37, #404237); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #423F37?: #423F37 is a dark, grayish orange, closest to the named color Deepest Nightmare. It belongs to the gray family of colors.
What is the RGB value of #423F37?: The RGB value is 66, 63, 55: 66 red, 63 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #423F37?: The complementary color is #373A42, found by rotating the hue 180° on the color wheel.
Is black or white text better on #423F37?: White text. Black text has a contrast ratio of 2:1 and white text 10.51:1. WCAG asks for at least 4.5:1 for normal text.