What color is #1B1F2F?

#1B1F2F is a very dark, desaturated blue, closest to the named color Eclipse Elixir. It belongs to the black family of colors.

What is the RGB value of #1B1F2F?

The RGB value is 27, 31, 47: 27 red, 31 green and 47 blue on a 0 to 255 scale.

What is the complementary color of #1B1F2F?

The complementary color is #2F2B1B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B1F2F?

White text. Black text has a contrast ratio of 1.28:1 and white text 16.36:1. WCAG asks for at least 4.5:1 for normal text.

#1B1F2F color

#1B1F2F rgb(27, 31, 47)

Shades of black

The hex color #1B1F2F is a very dark, desaturated blue.

In the RGB color model it is made of 10.6% red, 12.2% green and 18.4% blue (27, 31, 47).

Its hue angle is 228°, with 27% saturation and 15% lightness. For print, the CMYK equivalent is 43% cyan, 34% magenta, 0% yellow and 82% black.

The closest named color is Eclipse Elixir (#1F2133), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.36:1).

#1B1F2F color codes

HEX	`#1B1F2F`
RGB	`rgb(27, 31, 47)`
RGB percent	`rgb(10.6%, 12.2%, 18.4%)`
HSL	`hsl(228, 27%, 15%)`
HSV / HSB	`hsv(228, 43%, 18%)`
CMYK	`cmyk(43%, 34%, 0%, 82%)`
CIE LAB	`lab(12.08, 3.12, -11.22)`
CIE LCH	`lch(12.08, 11.65, 285.55)`
CIE XYZ	`xyz(1.455, 1.418, 2.886)`
Decimal	`1777455`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B1F2F, 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 #1B1F2F	Ratio	AA	AAA	AA large
Sample text	1.28:1	Fail	Fail	Fail
Sample text	16.36:1	Pass	Pass	Pass

#1B1F2F as text on	Ratio	AA	AAA	AA large
Sample text	16.36:1	Pass	Pass	Pass
Sample text	1.28:1	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 #1B1F2F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b1f2f; }
.text { color: #1b1f2f; }
.border { border: 2px solid #1b1f2f; }
.transparent { background-color: rgb(27 31 47 / 50%); }
.gradient { background: linear-gradient(to right, #1b1f2f, #211b2f); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1B1F2F?: #1B1F2F is a very dark, desaturated blue, closest to the named color Eclipse Elixir. It belongs to the black family of colors.
What is the RGB value of #1B1F2F?: The RGB value is 27, 31, 47: 27 red, 31 green and 47 blue on a 0 to 255 scale.
What is the complementary color of #1B1F2F?: The complementary color is #2F2B1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B1F2F?: White text. Black text has a contrast ratio of 1.28:1 and white text 16.36:1. WCAG asks for at least 4.5:1 for normal text.