#121d2f

Color #121d2f

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 17.27 Nearest Tailwind class gray-900 #101828 · ΔE 1.9

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Conversions

HEX

#121d2f

RGB

rgb(18, 29, 47)

HSL

hsl(217.2, 44.6%, 12.7%)

HSV / HSB

hsv(217.2, 61.7%, 18.4%)

CMYK

cmyk(61.7%, 38.3%, 0%, 81.6%)

LAB

lab(10.65, 1.62, -13.5)

LCH

lch(10.65, 13.6, 276.84)

OKLCH

oklch(23%, 0.0386, 259.85)

HWB

hwb(217.2, 7.1%, 81.6%)

Harmony colors

Complementary

#2f2412

Analogous

#122b2f

#121d2f

#15122f

Triadic

#121d2f

#2f121d

#1d2f12

Split-complementary

#121d2f

#2f1512

#2b2f12

Tetradic

#121d2f

#24122f

#2f2412

#1d2f12

Square

#121d2f

#2f122b

#2f2412

#122f15

Shades

Color #121d2f mixed toward black.

#0f1827

#0c131f

#090e17

#060a10

#030508

Tints

Color #121d2f mixed toward white.

#263e64

#3b5f9a

#5e84c1

#94add6

#c9d6ea

Tones

Color #121d2f mixed toward gray.

#141d2c

#171e2a

#191f28

#1c1f25

#1e2023

Accessibility

Aa White text on this color

16.9:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#17172b · ΔE 5.9

Deuteranopia

#17162a · ΔE 6.5

Tritanopia

#132828 · ΔE 14.2

Achromatopsia

#1d1d1d · ΔE 10.5

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

Code

CSS

background-color: #121d2f;

Tailwind (arbitrary value)

bg-[#121d2f]

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

#121d2f (#121d2f) is rgb(18, 29, 47) in RGB.

No, #121d2f 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 #121d2f, or check how it holds up for accessibility.

Generate a palette → Check contrast