#0000ab

Color #0000ab

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 14.87 Nearest Tailwind class violet-900 #4d179a · ΔE 6.9

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

Conversions

HEX

#0000ab

RGB

rgb(0, 0, 171)

HSL

hsl(240, 100%, 33.5%)

HSV / HSB

hsv(240, 100%, 67.1%)

CMYK

cmyk(100%, 100%, 0%, 32.9%)

LAB

lab(19.8, 58.7, -79.95)

LCH

lch(19.8, 99.19, 306.29)

OKLCH

oklch(33.5%, 0.2322, 264.04)

HWB

hwb(240, 0%, 32.9%)

Harmony colors

Complementary

#abab00

Analogous

#0055ab

#0000ab

#5500ab

Triadic

#0000ab

#ab0000

#00ab00

Split-complementary

#0000ab

#ab5500

#55ab00

Tetradic

#0000ab

#ab00ab

#abab00

#00ab00

Square

#0000ab

#ab0055

#abab00

#00ab55

Shades

Color #0000ab mixed toward black.

#00008e

#000072

#000055

#000039

#00001c

Tints

Color #0000ab mixed toward white.

#0000e3

#1d1dff

#5555ff

#8e8eff

#c6c6ff

Tones

Color #0000ab mixed toward gray.

#0e0e9d

#1c1c8e

#2b2b80

#393972

#474764

Accessibility

Aa White text on this color

13.22:1

Aa Black text on this color

1.59:1

White text reads better on this background (13.22:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#000097 · ΔE 2.7

Deuteranopia

#000091 · ΔE 3.5

Tritanopia

#00847f · ΔE 45

Achromatopsia

#303030 · ΔE 30.7

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

Code

CSS

background-color: #0000ab;

Tailwind (arbitrary value)

bg-[#0000ab]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#0000ab (#0000ab) is rgb(0, 0, 171) in RGB.

No, #0000ab 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 #0000ab, or check how it holds up for accessibility.

Generate a palette → Check contrast