#1d1e21

Color #1d1e21

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 11.49 Nearest Tailwind class zinc-900 #18181b · ΔE 2

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Conversions

HEX

#1d1e21

RGB

rgb(29, 30, 33)

HSL

hsl(225, 6.5%, 12.2%)

HSV / HSB

hsv(225, 12.1%, 12.9%)

CMYK

cmyk(12.1%, 9.1%, 0%, 87.1%)

LAB

lab(11.27, 0.32, -2.21)

LCH

lch(11.27, 2.23, 278.24)

OKLCH

oklch(23.5%, 0.0059, 270.97)

HWB

hwb(225, 11.4%, 87.1%)

Harmony colors

Complementary

#21201d

Analogous

#1d2021

#1d1e21

#1e1d21

Triadic

#1d1e21

#211d1e

#1e211d

Split-complementary

#1d1e21

#211e1d

#20211d

Tetradic

#1d1e21

#201d21

#21201d

#1e211d

Square

#1d1e21

#211d20

#21201d

#1d211e

Shades

Color #1d1e21 mixed toward black.

#18191c

#131416

#0f0f11

#0a0a0b

#050506

Tints

Color #1d1e21 mixed toward white.

#404249

#636671

#888b96

#b0b2b9

#d7d8dc

Tones

Color #1d1e21 mixed toward gray.

#1d1e21

#1e1e20

#1e1f20

#1f1f1f

Accessibility

Aa White text on this color

16.67:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d20 · ΔE 0.7

Deuteranopia

#1d1d20 · ΔE 0.7

Tritanopia

#1d2020 · ΔE 3

Achromatopsia

#1e1e1e · ΔE 2.2

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

Code

CSS

background-color: #1d1e21;

Tailwind (arbitrary value)

bg-[#1d1e21]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1d1e21 (#1d1e21) is rgb(29, 30, 33) in RGB.

No, #1d1e21 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

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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 #1d1e21, or check how it holds up for accessibility.

Generate a palette → Check contrast