#284ceb

Color #284ceb

A vivid, highly saturated medium blue.

Closest named color Medium Slate Blue #7b68ee · ΔE 21.34 Nearest Tailwind class blue-700 #1447e6 · ΔE 1.9

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

Conversions

HEX

#284ceb

RGB

rgb(40, 76, 235)

HSL

hsl(228.9, 83%, 53.9%)

HSV / HSB

hsv(228.9, 83%, 92.2%)

CMYK

cmyk(83%, 67.7%, 0%, 7.8%)

LAB

lab(40.6, 45.54, -82.77)

LCH

lch(40.6, 94.47, 298.82)

OKLCH

oklch(50.6%, 0.2403, 266.59)

HWB

hwb(228.9, 15.7%, 7.8%)

Harmony colors

Complementary

#ebc728

Analogous

#28aeeb

#284ceb

#6528eb

Triadic

#284ceb

#eb284c

#4ceb28

Split-complementary

#284ceb

#eb6528

#aeeb28

Tetradic

#284ceb

#c728eb

#ebc728

#4ceb28

Square

#284ceb

#eb28ae

#ebc728

#28eb65

Shades

Color #284ceb mixed toward black.

#1337d2

#102ca8

#0c217e

#081654

#040b2a

Tints

Color #284ceb mixed toward white.

#4c6aee

#7088f2

#93a5f5

#b7c3f8

#dbe1fc

Tones

Color #284ceb mixed toward gray.

#3856db

#4860ca

#596bba

#6975aa

#797f9a

Accessibility

Aa White text on this color

6.32:1

Aa Black text on this color

3.32:1

White text reads better on this background (6.32:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3b3bd2 · ΔE 5.7

Deuteranopia

#3936cc · ΔE 7.2

Tritanopia

#2bbcb6 · ΔE 47

Achromatopsia

#606060 · ΔE 30.2

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

Code

CSS

background-color: #284ceb;

Tailwind (arbitrary value)

bg-[#284ceb]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#284ceb (#284ceb) is rgb(40, 76, 235) in RGB.

No, #284ceb 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 #284ceb, or check how it holds up for accessibility.

Generate a palette → Check contrast