#121723

Color #121723

A muted very dark blue.

Closest named color Black #000000 · ΔE 12.06 Nearest Tailwind class gray-900 #101828 · ΔE 2.1

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Conversions

HEX

#121723

RGB

rgb(18, 23, 35)

HSL

hsl(222.4, 32.1%, 10.4%)

HSV / HSB

hsv(222.4, 48.6%, 13.7%)

CMYK

cmyk(48.6%, 34.3%, 0%, 86.3%)

LAB

lab(7.79, 1.6, -9.07)

LCH

lch(7.79, 9.21, 280)

OKLCH

oklch(20.6%, 0.0252, 266.82)

HWB

hwb(222.4, 7.1%, 86.3%)

Harmony colors

Complementary

#231e12

Analogous

#122023

#121723

#161223

Triadic

#121723

#231217

#172312

Split-complementary

#121723

#231612

#202312

Tetradic

#121723

#1e1223

#231e12

#172312

Square

#121723

#231220

#231e12

#122316

Shades

Color #121723 mixed toward black.

#0f131d

#0c0f17

#090c12

#06080c

#030406

Tints

Color #121723 mixed toward white.

#2c3855

#465988

#687eb1

#9aa9cb

#cdd4e5

Tones

Color #121723 mixed toward gray.

#131822

#151820

#16191f

#18191d

#191a1c

Accessibility

Aa White text on this color

17.91:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.91:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#141420 · ΔE 2.7

Deuteranopia

#141420 · ΔE 2.7

Tritanopia

#121e1e · ΔE 10.6

Achromatopsia

#171717 · ΔE 7.7

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

Code

CSS

background-color: #121723;

Tailwind (arbitrary value)

bg-[#121723]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#121723 (#121723) is rgb(18, 23, 35) in RGB.

No, #121723 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 #121723, or check how it holds up for accessibility.

Generate a palette → Check contrast