#000040

Color #000040

A vivid, highly saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 19.19 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 6.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#000040

RGB

rgb(0, 0, 64)

HSL

hsl(240, 100%, 12.5%)

HSV / HSB

hsv(240, 100%, 25.1%)

CMYK

cmyk(100%, 100%, 0%, 74.9%)

LAB

lab(3.34, 23.38, -37.65)

LCH

lch(3.34, 44.32, 301.84)

OKLCH

oklch(16.8%, 0.1163, 264.03)

HWB

hwb(240, 0%, 74.9%)

Harmony colors

Complementary

#404000

Analogous

#002040

#000040

#200040

Triadic

#000040

#400000

#004000

Split-complementary

#000040

#402000

#204000

Tetradic

#000040

#400040

#404000

#004000

Square

#000040

#400020

#404000

#004020

Shades

Color #000040 mixed toward black.

#000035

#00002b

#000020

#000015

#00000b

Tints

Color #000040 mixed toward white.

#00008a

#0000d4

#2020ff

#6a6aff

#b5b5ff

Tones

Color #000040 mixed toward gray.

#05053a

#0b0b35

#101030

#15152b

#1b1b25

Accessibility

Aa White text on this color

19.55:1

Aa Black text on this color

1.07:1

White text reads better on this background (19.55:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#000037 · ΔE 2.7

Deuteranopia

#000035 · ΔE 3.3

Tritanopia

#00302e · ΔE 28.2

Achromatopsia

#0c0c0c · ΔE 22.9

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

Code

CSS

background-color: #000040;

Tailwind (arbitrary value)

bg-[#000040]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#000040 (#000040) is rgb(0, 0, 64) in RGB.

No, #000040 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #000040, or check how it holds up for accessibility.

Generate a palette → Check contrast