#1B423F color

#1B423F rgb(27, 66, 63)
Shades of teal

The hex color #1B423F is a very dark, desaturated cyan.

In the RGB color model it is made of 10.6% red, 25.9% green and 24.7% blue (27, 66, 63).

Its hue angle is 175°, with 42% saturation and 18% lightness. For print, the CMYK equivalent is 59% cyan, 0% magenta, 5% yellow and 74% black.

The closest named color is Botanical Night (#12403C), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.07:1).

#1B423F color codes

HEX#1B423F
RGBrgb(27, 66, 63)
RGB percentrgb(10.6%, 25.9%, 24.7%)
HSLhsl(175, 42%, 18%)
HSV / HSBhsv(175, 59%, 26%)
CMYKcmyk(59%, 0%, 5%, 74%)
CIE LABlab(25.22, -14.62, -2.38)
CIE LCHlch(25.22, 14.81, 189.25)
CIE XYZxyz(3.297, 4.488, 5.394)
Decimal1786431
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #1B423F, 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 #1B423FRatioAAAAAAA large
Sample text1.9:1FailFailFail
Sample text11.07:1PassPassPass
#1B423F as text onRatioAAAAAAA large
Sample text11.07:1PassPassPass
Sample text1.9:1FailFailFail

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 #1B423F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b423f; }
.text { color: #1b423f; }
.border { border: 2px solid #1b423f; }
.transparent { background-color: rgb(27 66 63 / 50%); }
.gradient { background: linear-gradient(to right, #1b423f, #1b3242); }
Background
Text color
Border

Similar colors

Questions

What color is #1B423F?
#1B423F is a very dark, desaturated cyan, closest to the named color Botanical Night. It belongs to the teal family of colors.
What is the RGB value of #1B423F?
The RGB value is 27, 66, 63: 27 red, 66 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #1B423F?
The complementary color is #421B1E, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B423F?
White text. Black text has a contrast ratio of 1.9:1 and white text 11.07:1. WCAG asks for at least 4.5:1 for normal text.