#0000f9

Color #0000f9

A vivid, highly saturated medium blue.

Closest named color Blue #0000ff · ΔE 2.55 Nearest Tailwind class indigo-700 #432dd7 · ΔE 5.2

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

Conversions

HEX

#0000f9

RGB

rgb(0, 0, 249)

HSL

hsl(240, 100%, 48.8%)

HSV / HSB

hsv(240, 100%, 97.6%)

CMYK

cmyk(100%, 100%, 0%, 2.4%)

LAB

lab(31.43, 77.77, -105.93)

LCH

lch(31.43, 131.41, 306.28)

OKLCH

oklch(44.4%, 0.3077, 264.05)

HWB

hwb(240, 0%, 2.4%)

Harmony colors

Complementary

#f9f900

Analogous

#007cf9

#0000f9

#7c00f9

Triadic

#0000f9

#f90000

#00f900

Split-complementary

#0000f9

#f97c00

#7cf900

Tetradic

#0000f9

#f900f9

#f9f900

#00f900

Square

#0000f9

#f9007c

#f9f900

#00f97c

Shades

Color #0000f9 mixed toward black.

#0000cf

#0000a6

#00007c

#000053

#000029

Tints

Color #0000f9 mixed toward white.

#2525ff

#5151ff

#7c7cff

#a8a8ff

#d3d3ff

Tones

Color #0000f9 mixed toward gray.

#1515e4

#2929cf

#3e3ebb

#5353a6

#686891

Accessibility

Aa White text on this color

8.87:1

Aa Black text on this color

2.37:1

White text reads better on this background (8.87:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0000dc · ΔE 3.7

Deuteranopia

#0000d5 · ΔE 4.6

Tritanopia

#00c2bb · ΔE 57.6

Achromatopsia

#4a4a4a · ΔE 33.2

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

Code

CSS

background-color: #0000f9;

Tailwind (arbitrary value)

bg-[#0000f9]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#0000f9 (#0000f9) is rgb(0, 0, 249) in RGB.

No, #0000f9 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 #0000f9, or check how it holds up for accessibility.

Generate a palette → Check contrast