#1c1f23

Color #1c1f23

A nearly neutral, gray-leaning very dark blue.

Closest named color Black #000000 · ΔE 12.04 Nearest Tailwind class mist-900 #161b1d · ΔE 2.7

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Conversions

HEX

#1c1f23

RGB

rgb(28, 31, 35)

HSL

hsl(214.3, 11.1%, 12.4%)

HSV / HSB

hsv(214.3, 20%, 13.7%)

CMYK

cmyk(20%, 11.4%, 0%, 86.3%)

LAB

lab(11.61, -0.29, -3.19)

LCH

lch(11.61, 3.2, 264.81)

OKLCH

oklch(23.8%, 0.0089, 255.65)

HWB

hwb(214.3, 11%, 86.3%)

Harmony colors

Complementary

#23201c

Analogous

#1c2323

#1c1f23

#1d1c23

Triadic

#1c1f23

#231c1f

#1f231c

Split-complementary

#1c1f23

#231d1c

#23231c

Tetradic

#1c1f23

#201c23

#23201c

#1f231c

Square

#1c1f23

#231c23

#23201c

#1c231d

Shades

Color #1c1f23 mixed toward black.

#171a1d

#131517

#0e1012

#090a0c

#050506

Tints

Color #1c1f23 mixed toward white.

#3d444c

#5e6876

#838e9c

#acb3bd

#d6d9de

Tones

Color #1c1f23 mixed toward gray.

#1d1f23

#1d1f22

#1e1f21

#1f2020

Accessibility

Aa White text on this color

16.54:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.54:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1d1d22 · ΔE 2.4

Deuteranopia

#1d1d22 · ΔE 2.4

Tritanopia

#1c2121 · ΔE 3.6

Achromatopsia

#1f1f1f · ΔE 3

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

Code

CSS

background-color: #1c1f23;

Tailwind (arbitrary value)

bg-[#1c1f23]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1c1f23 (#1c1f23) is rgb(28, 31, 35) in RGB.

No, #1c1f23 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 #1c1f23, or check how it holds up for accessibility.

Generate a palette → Check contrast