#004040

Color #004040

A vivid, highly saturated very dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.79 Nearest Tailwind class teal-900 #0b4f4a · ΔE 5.3

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

Conversions

HEX

#004040

RGB

rgb(0, 64, 64)

HSL

hsl(180, 100%, 12.5%)

HSV / HSB

hsv(180, 100%, 25.1%)

CMYK

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

LAB

lab(23.79, -17.86, -5.25)

LCH

lch(23.79, 18.62, 196.38)

OKLCH

oklch(33.6%, 0.0574, 194.74)

HWB

hwb(180, 0%, 74.9%)

Harmony colors

Complementary

#400000

Analogous

#004020

#004040

#002040

Triadic

#004040

#400040

#404000

Split-complementary

#004040

#400020

#402000

Tetradic

#004040

#000040

#400000

#404000

Square

#004040

#200040

#400000

#204000

Shades

Color #004040 mixed toward black.

#003535

#002b2b

#002020

#001515

#000b0b

Tints

Color #004040 mixed toward white.

#008a8a

#00d4d4

#20ffff

#6affff

#b5ffff

Tones

Color #004040 mixed toward gray.

#053a3a

#0b3535

#103030

#152b2b

#1b2525

Accessibility

Aa White text on this color

11.62:1

Aa Black text on this color

1.81:1

White text reads better on this background (11.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292a40 · ΔE 23.8

Deuteranopia

#262140 · ΔE 27.5

Tritanopia

#084040 · ΔE 0.7

Achromatopsia

#393939 · ΔE 16.8

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

Code

CSS

background-color: #004040;

Tailwind (arbitrary value)

bg-[#004040]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#004040 (#004040) is rgb(0, 64, 64) in RGB.

No, #004040 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 #004040, or check how it holds up for accessibility.

Generate a palette → Check contrast