#151B1D color

#151B1D rgb(21, 27, 29)
Shades of black

The hex color #151B1D is a very dark, grayish azure.

In the RGB color model it is made of 8.2% red, 10.6% green and 11.4% blue (21, 27, 29).

Its hue angle is 195°, with 16% saturation and 10% lightness. For print, the CMYK equivalent is 28% cyan, 7% magenta, 0% yellow and 89% black.

The closest named color is Black Stallion (#0E191C), a difference of 2.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.41:1).

#151B1D color codes

HEX#151B1D
RGBrgb(21, 27, 29)
RGB percentrgb(8.2%, 10.6%, 11.4%)
HSLhsl(195, 16%, 10%)
HSV / HSBhsv(195, 28%, 11%)
CMYKcmyk(28%, 7%, 0%, 89%)
CIE LABlab(9.26, -2.19, -2.32)
CIE LCHlch(9.26, 3.19, 226.64)
CIE XYZxyz(0.923, 1.032, 1.313)
Decimal1383197
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #151B1D, 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 #151B1DRatioAAAAAAA large
Sample text1.21:1FailFailFail
Sample text17.41:1PassPassPass
#151B1D as text onRatioAAAAAAA large
Sample text17.41:1PassPassPass
Sample text1.21:1FailFailFail

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 #151B1D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #151b1d; }
.text { color: #151b1d; }
.border { border: 2px solid #151b1d; }
.transparent { background-color: rgb(21 27 29 / 50%); }
.gradient { background: linear-gradient(to right, #151b1d, #15171d); }
Background
Text color
Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #151B1D?
#151B1D is a very dark, grayish azure, closest to the named color Black Stallion. It belongs to the black family of colors.
What is the RGB value of #151B1D?
The RGB value is 21, 27, 29: 21 red, 27 green and 29 blue on a 0 to 255 scale.
What is the complementary color of #151B1D?
The complementary color is #1D1715, found by rotating the hue 180° on the color wheel.
Is black or white text better on #151B1D?
White text. Black text has a contrast ratio of 1.21:1 and white text 17.41:1. WCAG asks for at least 4.5:1 for normal text.