#1b1a2a

Color #1b1a2a

A muted very dark blue.

Closest named color Black #000000 · ΔE 15.56 Nearest Tailwind class slate-900 #0f172b · ΔE 4.1

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Conversions

HEX

#1b1a2a

RGB

rgb(27, 26, 42)

HSL

hsl(243.8, 23.5%, 13.3%)

HSV / HSB

hsv(243.8, 38.1%, 16.5%)

CMYK

cmyk(35.7%, 38.1%, 0%, 83.5%)

LAB

lab(10.1, 5.18, -10.64)

LCH

lch(10.1, 11.83, 295.96)

OKLCH

oklch(22.7%, 0.0308, 286.61)

HWB

hwb(243.8, 10.2%, 83.5%)

Harmony colors

Complementary

#292a1a

Analogous

#1a212a

#1b1a2a

#231a2a

Triadic

#1b1a2a

#2a1b1a

#1a2a1b

Split-complementary

#1b1a2a

#2a231a

#212a1a

Tetradic

#1b1a2a

#2a1a29

#292a1a

#1a2a1b

Square

#1b1a2a

#2a1a21

#292a1a

#1a2a23

Shades

Color #1b1a2a mixed toward black.

#161623

#12111c

#0d0d15

#09090e

#040407

Tints

Color #1b1a2a mixed toward white.

#383657

#565285

#7a76aa

#a6a4c7

#d3d1e3

Tones

Color #1b1a2a mixed toward gray.

#1c1b29

#1d1d27

#1e1e26

#201f25

#212123

Accessibility

Aa White text on this color

17.1:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b27 · ΔE 2.4

Deuteranopia

#1b1b26 · ΔE 3

Tritanopia

#1b2423 · ΔE 14

Achromatopsia

#1c1c1c · ΔE 10.2

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #1b1a2a;

Tailwind (arbitrary value)

bg-[#1b1a2a]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1b1a2a (#1b1a2a) is rgb(27, 26, 42) in RGB.

No, #1b1a2a is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #1b1a2a, or check how it holds up for accessibility.

Generate a palette → Check contrast