What color is #42504F?

#42504F is a dark, grayish cyan, closest to the named color All Nighter. It belongs to the gray family of colors.

What is the RGB value of #42504F?

The RGB value is 66, 80, 79: 66 red, 80 green and 79 blue on a 0 to 255 scale.

What is the complementary color of #42504F?

The complementary color is #504243, found by rotating the hue 180° on the color wheel.

Is black or white text better on #42504F?

White text. Black text has a contrast ratio of 2.49:1 and white text 8.43:1. WCAG asks for at least 4.5:1 for normal text.

#42504F color

#42504F rgb(66, 80, 79)

Shades of gray

The hex color #42504F is a dark, grayish cyan.

In the RGB color model it is made of 25.9% red, 31.4% green and 31% blue (66, 80, 79).

Its hue angle is 176°, with 10% saturation and 29% lightness. For print, the CMYK equivalent is 18% cyan, 0% magenta, 1% yellow and 69% black.

The closest named color is All Nighter (#455454), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.43:1).

#42504F color codes

HEX	`#42504F`
RGB	`rgb(66, 80, 79)`
RGB percent	`rgb(25.9%, 31.4%, 31%)`
HSL	`hsl(176, 10%, 29%)`
HSV / HSB	`hsv(176, 17%, 31%)`
CMYK	`cmyk(18%, 0%, 1%, 69%)`
CIE LAB	`lab(32.83, -5.74, -1.26)`
CIE LCH	`lch(32.83, 5.87, 192.35)`
CIE XYZ	`xyz(6.526, 7.46, 8.492)`
Decimal	`4345935`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #42504F, 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 #42504F	Ratio	AA	AAA	AA large
Sample text	2.49:1	Fail	Fail	Fail
Sample text	8.43:1	Pass	Pass	Pass

#42504F as text on	Ratio	AA	AAA	AA large
Sample text	8.43:1	Pass	Pass	Pass
Sample text	2.49:1	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 #42504F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #42504f; }
.text { color: #42504f; }
.border { border: 2px solid #42504f; }
.transparent { background-color: rgb(66 80 79 / 50%); }
.gradient { background: linear-gradient(to right, #42504f, #424a50); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #42504F?: #42504F is a dark, grayish cyan, closest to the named color All Nighter. It belongs to the gray family of colors.
What is the RGB value of #42504F?: The RGB value is 66, 80, 79: 66 red, 80 green and 79 blue on a 0 to 255 scale.
What is the complementary color of #42504F?: The complementary color is #504243, found by rotating the hue 180° on the color wheel.
Is black or white text better on #42504F?: White text. Black text has a contrast ratio of 2.49:1 and white text 8.43:1. WCAG asks for at least 4.5:1 for normal text.