#4b21cf

Color #4b21cf

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 13.97 Nearest Tailwind class indigo-700 #432dd7 · ΔE 2.4

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

Conversions

HEX

#4b21cf

RGB

rgb(75, 33, 207)

HSL

hsl(254.5, 72.5%, 47.1%)

HSV / HSB

hsv(254.5, 84.1%, 81.2%)

CMYK

cmyk(63.8%, 84.1%, 0%, 18.8%)

LAB

lab(32.01, 61.5, -80.85)

LCH

lch(32.01, 101.58, 307.26)

OKLCH

oklch(44.2%, 0.2382, 281.6)

HWB

hwb(254.5, 12.9%, 18.8%)

Harmony colors

Complementary

#a5cf21

Analogous

#214ecf

#4b21cf

#a221cf

Triadic

#4b21cf

#cf4b21

#21cf4b

Split-complementary

#4b21cf

#cfa221

#4ecf21

Tetradic

#4b21cf

#cf21a5

#a5cf21

#21cf4b

Square

#4b21cf

#cf214e

#a5cf21

#21cfa2

Shades

Color #4b21cf mixed toward black.

#3f1cad

#32168a

#261168

#190b45

#0d0623

Tints

Color #4b21cf mixed toward white.

#643de0

#8364e6

#a28bec

#c1b1f3

#e0d8f9

Tones

Color #4b21cf mixed toward gray.

#5330c1

#5a3eb2

#624da4

#695b95

#716a87

Accessibility

Aa White text on this color

8.69:1

Aa Black text on this color

2.42:1

White text reads better on this background (8.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3db8 · ΔE 6.6

Deuteranopia

#3f42b1 · ΔE 8.3

Tritanopia

#4aa29d · ΔE 46.3

Achromatopsia

#4b4b4b · ΔE 30.9

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

Code

CSS

background-color: #4b21cf;

Tailwind (arbitrary value)

bg-[#4b21cf]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#4b21cf (#4b21cf) is rgb(75, 33, 207) in RGB.

No, #4b21cf 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.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #4b21cf, or check how it holds up for accessibility.

Generate a palette → Check contrast