What color is #231F00?

#231F00 is a very dark, vivid yellow, closest to the named color Secret Passage. It belongs to the black family of colors.

What is the RGB value of #231F00?

The RGB value is 35, 31, 0: 35 red, 31 green and 0 blue on a 0 to 255 scale.

What is the complementary color of #231F00?

The complementary color is #000423, found by rotating the hue 180° on the color wheel.

Is black or white text better on #231F00?

White text. Black text has a contrast ratio of 1.27:1 and white text 16.57:1. WCAG asks for at least 4.5:1 for normal text.

#231F00 color

#231F00 rgb(35, 31, 0)

Shades of black

The hex color #231F00 is a very dark, vivid yellow.

In the RGB color model it is made of 13.7% red, 12.2% green and 0% blue (35, 31, 0).

Its hue angle is 53°, with 100% saturation and 7% lightness. For print, the CMYK equivalent is 0% cyan, 11% magenta, 100% yellow and 86% black.

The closest named color is Secret Passage (#372A05), a difference of 7.2 ΔE.

White text is the more readable choice on this background (contrast 16.57:1).

#231F00 color codes

HEX	`#231F00`
RGB	`rgb(35, 31, 0)`
RGB percent	`rgb(13.7%, 12.2%, 0%)`
HSL	`hsl(53, 100%, 7%)`
HSV / HSB	`hsv(53, 100%, 14%)`
CMYK	`cmyk(0%, 11%, 100%, 86%)`
CIE LAB	`lab(11.53, -2.8, 17.09)`
CIE LCH	`lch(11.53, 17.31, 99.31)`
CIE XYZ	`xyz(1.183, 1.337, 0.196)`
Decimal	`2301696`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #231F00, 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 #231F00	Ratio	AA	AAA	AA large
Sample text	1.27:1	Fail	Fail	Fail
Sample text	16.57:1	Pass	Pass	Pass

#231F00 as text on	Ratio	AA	AAA	AA large
Sample text	16.57:1	Pass	Pass	Pass
Sample text	1.27:1	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 #231F00 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #231f00; }
.text { color: #231f00; }
.border { border: 2px solid #231f00; }
.transparent { background-color: rgb(35 31 0 / 50%); }
.gradient { background: linear-gradient(to right, #231f00, #162300); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #231F00?: #231F00 is a very dark, vivid yellow, closest to the named color Secret Passage. It belongs to the black family of colors.
What is the RGB value of #231F00?: The RGB value is 35, 31, 0: 35 red, 31 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #231F00?: The complementary color is #000423, found by rotating the hue 180° on the color wheel.
Is black or white text better on #231F00?: White text. Black text has a contrast ratio of 1.27:1 and white text 16.57:1. WCAG asks for at least 4.5:1 for normal text.