#1c1d21

Color #1c1d21

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 11.22 Nearest Tailwind class zinc-900 #18181b · ΔE 1.7

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Conversions

HEX

#1c1d21

RGB

rgb(28, 29, 33)

HSL

hsl(228, 8.2%, 12%)

HSV / HSB

hsv(228, 15.2%, 12.9%)

CMYK

cmyk(15.2%, 12.1%, 0%, 87.1%)

LAB

lab(10.82, 0.6, -2.9)

LCH

lch(10.82, 2.96, 281.69)

OKLCH

oklch(23.1%, 0.0078, 274.4)

HWB

hwb(228, 11%, 87.1%)

Harmony colors

Complementary

#21201c

Analogous

#1c2021

#1c1d21

#1e1c21

Triadic

#1c1d21

#211c1d

#1d211c

Split-complementary

#1c1d21

#211e1c

#20211c

Tetradic

#1c1d21

#201c21

#21201c

#1d211c

Square

#1c1d21

#211c20

#21201c

#1c211e

Shades

Color #1c1d21 mixed toward black.

#17181c

#131316

#0e0f11

#090a0b

#050506

Tints

Color #1c1d21 mixed toward white.

#3e414a

#616472

#868998

#aeb1ba

#d7d8dd

Tones

Color #1c1d21 mixed toward gray.

#1d1d21

#1d1e20

#1e1e1f

Accessibility

Aa White text on this color

16.84:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.84:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c20 · ΔE 0.7

Deuteranopia

#1c1c20 · ΔE 0.7

Tritanopia

#1c1f1f · ΔE 3.6

Achromatopsia

#1d1d1d · ΔE 2.8

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

Code

CSS

background-color: #1c1d21;

Tailwind (arbitrary value)

bg-[#1c1d21]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1c1d21 (#1c1d21) is rgb(28, 29, 33) in RGB.

No, #1c1d21 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 #1c1d21, or check how it holds up for accessibility.

Generate a palette → Check contrast