#004feb

Color #004feb

A vivid, highly saturated medium blue.

Closest named color Medium Slate Blue #7b68ee · ΔE 21.02 Nearest Tailwind class blue-700 #1447e6 · ΔE 2.5

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

Conversions

HEX

#004feb

RGB

rgb(0, 79, 235)

HSL

hsl(219.8, 100%, 46.1%)

HSV / HSB

hsv(219.8, 100%, 92.2%)

CMYK

cmyk(100%, 66.4%, 0%, 7.8%)

LAB

lab(40.55, 42.23, -82.88)

LCH

lch(40.55, 93.02, 297)

OKLCH

oklch(50.4%, 0.2426, 262.51)

HWB

hwb(219.8, 0%, 7.8%)

Harmony colors

Complementary

#eb9c00

Analogous

#00c5eb

#004feb

#2600eb

Triadic

#004feb

#eb004f

#4feb00

Split-complementary

#004feb

#eb2600

#c5eb00

Tetradic

#004feb

#9c00eb

#eb9c00

#4feb00

Square

#004feb

#eb00c5

#eb9c00

#00eb26

Shades

Color #004feb mixed toward black.

#0042c4

#00359d

#002876

#001a4e

#000d27

Tints

Color #004feb mixed toward white.

#1a67ff

#4885ff

#76a4ff

#a3c2ff

#d1e1ff

Tones

Color #004feb mixed toward gray.

#1456d8

#275cc4

#3b62b0

#4e699d

#626f89

Accessibility

Aa White text on this color

6.33:1

Aa Black text on this color

3.32:1

White text reads better on this background (6.33:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3434d3 · ΔE 8.2

Deuteranopia

#302acc · ΔE 10.5

Tritanopia

#0dbcb7 · ΔE 46.8

Achromatopsia

#606060 · ΔE 30.1

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

Code

CSS

background-color: #004feb;

Tailwind (arbitrary value)

bg-[#004feb]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#004feb (#004feb) is rgb(0, 79, 235) in RGB.

No, #004feb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #004feb, or check how it holds up for accessibility.

Generate a palette → Check contrast