What color is #0A230A?

#0A230A is a very dark, moderate green, closest to the named color Nightmare. It belongs to the black family of colors.

What is the RGB value of #0A230A?

The RGB value is 10, 35, 10: 10 red, 35 green and 10 blue on a 0 to 255 scale.

What is the complementary color of #0A230A?

The complementary color is #230A23, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A230A?

White text. Black text has a contrast ratio of 1.26:1 and white text 16.7:1. WCAG asks for at least 4.5:1 for normal text.

#0A230A color

#0A230A rgb(10, 35, 10)

Shades of black

The hex color #0A230A is a very dark, moderate green.

In the RGB color model it is made of 3.9% red, 13.7% green and 3.9% blue (10, 35, 10).

Its hue angle is 120°, with 56% saturation and 9% lightness. For print, the CMYK equivalent is 71% cyan, 0% magenta, 71% yellow and 86% black.

The closest named color is Nightmare (#112211), a difference of 3.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.7:1).

#0A230A color codes

HEX	`#0A230A`
RGB	`rgb(10, 35, 10)`
RGB percent	`rgb(3.9%, 13.7%, 3.9%)`
HSL	`hsl(120, 56%, 9%)`
HSV / HSB	`hsv(120, 71%, 14%)`
CMYK	`cmyk(71%, 0%, 71%, 86%)`
CIE LAB	`lab(11.19, -16.26, 12.23)`
CIE LCH	`lch(11.19, 20.34, 143.06)`
CIE XYZ	`xyz(0.781, 1.288, 0.495)`
Decimal	`664330`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A230A, 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 #0A230A	Ratio	AA	AAA	AA large
Sample text	1.26:1	Fail	Fail	Fail
Sample text	16.7:1	Pass	Pass	Pass

#0A230A as text on	Ratio	AA	AAA	AA large
Sample text	16.7:1	Pass	Pass	Pass
Sample text	1.26:1	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 #0A230A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a230a; }
.text { color: #0a230a; }
.border { border: 2px solid #0a230a; }
.transparent { background-color: rgb(10 35 10 / 50%); }
.gradient { background: linear-gradient(to right, #0a230a, #0a2317); }

Background

Text color

Border

Similar colors

Closest common color name: British Racing Green.

Questions

What color is #0A230A?: #0A230A is a very dark, moderate green, closest to the named color Nightmare. It belongs to the black family of colors.
What is the RGB value of #0A230A?: The RGB value is 10, 35, 10: 10 red, 35 green and 10 blue on a 0 to 255 scale.
What is the complementary color of #0A230A?: The complementary color is #230A23, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A230A?: White text. Black text has a contrast ratio of 1.26:1 and white text 16.7:1. WCAG asks for at least 4.5:1 for normal text.