#1f2023

Color #1f2023

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 12.46 Nearest Tailwind class zinc-800 #27272a · ΔE 2.4

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Conversions

HEX

#1f2023

RGB

rgb(31, 32, 35)

HSL

hsl(225, 6.1%, 12.9%)

HSV / HSB

hsv(225, 11.4%, 13.7%)

CMYK

cmyk(11.4%, 8.6%, 0%, 86.3%)

LAB

lab(12.26, 0.32, -2.19)

LCH

lch(12.26, 2.21, 278.31)

OKLCH

oklch(24.4%, 0.0059, 270.97)

HWB

hwb(225, 12.2%, 86.3%)

Harmony colors

Complementary

#23221f

Analogous

#1f2223

#1f2023

#201f23

Triadic

#1f2023

#231f20

#20231f

Split-complementary

#1f2023

#23201f

#22231f

Tetradic

#1f2023

#221f23

#23221f

#20231f

Square

#1f2023

#231f22

#23221f

#1f2320

Shades

Color #1f2023 mixed toward black.

#1a1b1d

#151517

#0f1011

#0a0b0c

#050506

Tints

Color #1f2023 mixed toward white.

#42444a

#646871

#898d97

#b0b3b9

#d8d9dc

Tones

Color #1f2023 mixed toward gray.

#1f2023

#202022

#202122

#212121

Accessibility

Aa White text on this color

16.29:1

Aa Black text on this color

1.29:1

White text reads better on this background (16.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1f22 · ΔE 0.7

Deuteranopia

#1f1f22 · ΔE 0.7

Tritanopia

#1f2222 · ΔE 3

Achromatopsia

#202020 · ΔE 2.1

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

Code

CSS

background-color: #1f2023;

Tailwind (arbitrary value)

bg-[#1f2023]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1f2023 (#1f2023) is rgb(31, 32, 35) in RGB.

No, #1f2023 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1f2023, or check how it holds up for accessibility.

Generate a palette → Check contrast