What color is #283C39?

#283C39 is a very dark, grayish spring green, closest to the named color Aztec. It belongs to the gray family of colors.

What is the RGB value of #283C39?

The RGB value is 40, 60, 57: 40 red, 60 green and 57 blue on a 0 to 255 scale.

What is the complementary color of #283C39?

The complementary color is #3C282B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #283C39?

White text. Black text has a contrast ratio of 1.8:1 and white text 11.69:1. WCAG asks for at least 4.5:1 for normal text.

#283C39 color

#283C39 rgb(40, 60, 57)

Shades of gray

The hex color #283C39 is a very dark, grayish spring green.

In the RGB color model it is made of 15.7% red, 23.5% green and 22.4% blue (40, 60, 57).

Its hue angle is 171°, with 20% saturation and 20% lightness. For print, the CMYK equivalent is 33% cyan, 0% magenta, 5% yellow and 76% black.

The closest named color is Aztec (#293432), a difference of 4.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.69:1).

#283C39 color codes

HEX	`#283C39`
RGB	`rgb(40, 60, 57)`
RGB percent	`rgb(15.7%, 23.5%, 22.4%)`
HSL	`hsl(171, 20%, 20%)`
HSV / HSB	`hsv(171, 33%, 24%)`
CMYK	`cmyk(33%, 0%, 5%, 76%)`
CIE LAB	`lab(23.6, -8.74, -0.71)`
CIE LCH	`lch(23.6, 8.77, 184.64)`
CIE XYZ	`xyz(3.229, 3.978, 4.468)`
Decimal	`2636857`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #283C39, 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 #283C39	Ratio	AA	AAA	AA large
Sample text	1.8:1	Fail	Fail	Fail
Sample text	11.69:1	Pass	Pass	Pass

#283C39 as text on	Ratio	AA	AAA	AA large
Sample text	11.69:1	Pass	Pass	Pass
Sample text	1.8:1	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 #283C39 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #283c39; }
.text { color: #283c39; }
.border { border: 2px solid #283c39; }
.transparent { background-color: rgb(40 60 57 / 50%); }
.gradient { background: linear-gradient(to right, #283c39, #28353c); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #283C39?: #283C39 is a very dark, grayish spring green, closest to the named color Aztec. It belongs to the gray family of colors.
What is the RGB value of #283C39?: The RGB value is 40, 60, 57: 40 red, 60 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #283C39?: The complementary color is #3C282B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #283C39?: White text. Black text has a contrast ratio of 1.8:1 and white text 11.69:1. WCAG asks for at least 4.5:1 for normal text.