#121c2c

Color #121c2c

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 15.85 Nearest Tailwind class gray-900 #101828 · ΔE 1.6

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Conversions

HEX

#121c2c

RGB

rgb(18, 28, 44)

HSL

hsl(216.9, 41.9%, 12.2%)

HSV / HSB

hsv(216.9, 59.1%, 17.3%)

CMYK

cmyk(59.1%, 36.4%, 0%, 82.7%)

LAB

lab(10.11, 1.19, -12.15)

LCH

lch(10.11, 12.21, 275.59)

OKLCH

oklch(22.5%, 0.0347, 259.53)

HWB

hwb(216.9, 7.1%, 82.7%)

Harmony colors

Complementary

#2c2212

Analogous

#12292c

#121c2c

#15122c

Triadic

#121c2c

#2c121c

#1c2c12

Split-complementary

#121c2c

#2c1512

#292c12

Tetradic

#121c2c

#22122c

#2c2212

#1c2c12

Square

#121c2c

#2c1229

#2c2212

#122c15

Shades

Color #121c2c mixed toward black.

#0f1725

#0c131d

#090e16

#06090f

#030507

Tints

Color #121c2c mixed toward white.

#283e61

#3d6096

#6084be

#95add4

#cad6e9

Tones

Color #121c2c mixed toward gray.

#141d2a

#161d28

#191e26

#1b1e23

#1d1f21

Accessibility

Aa White text on this color

17.1:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171729 · ΔE 5.7

Deuteranopia

#161528 · ΔE 6.6

Tritanopia

#132625 · ΔE 13.5

Achromatopsia

#1c1c1c · ΔE 9.6

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

Code

CSS

background-color: #121c2c;

Tailwind (arbitrary value)

bg-[#121c2c]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#121c2c (#121c2c) is rgb(18, 28, 44) in RGB.

No, #121c2c 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 #121c2c, or check how it holds up for accessibility.

Generate a palette → Check contrast