#423899

Color #423899

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11.71 Nearest Tailwind class indigo-900 #312c85 · ΔE 4.5

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Conversions

HEX

#423899

RGB

rgb(66, 56, 153)

HSL

hsl(246.2, 46.4%, 41%)

HSV / HSB

hsv(246.2, 63.4%, 60%)

CMYK

cmyk(56.9%, 63.4%, 0%, 40%)

LAB

lab(30.12, 32.49, -51.84)

LCH

lch(30.12, 61.18, 302.08)

OKLCH

oklch(41.1%, 0.1522, 282.02)

HWB

hwb(246.2, 22%, 40%)

Harmony colors

Complementary

#8f9938

Analogous

#385f99

#423899

#733899

Triadic

#423899

#994238

#389942

Split-complementary

#423899

#997338

#5f9938

Tetradic

#423899

#99388f

#8f9938

#389942

Square

#423899

#99385f

#8f9938

#389973

Shades

Color #423899 mixed toward black.

#372f80

#2c2566

#211c4d

#161333

#0b091a

Tints

Color #423899 mixed toward white.

#5347bc

#766cc9

#9891d7

#bab6e4

#dddaf2

Tones

Color #423899 mixed toward gray.

#484091

#4f4889

#555081

#5c5879

#626071

Accessibility

Aa White text on this color

9.3:1

Aa Black text on this color

2.26:1

White text reads better on this background (9.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3e3e89 · ΔE 3.9

Deuteranopia

#3e3f85 · ΔE 4.7

Tritanopia

#427b77 · ΔE 34

Achromatopsia

#474747 · ΔE 25.9

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

Code

CSS

background-color: #423899;

Tailwind (arbitrary value)

bg-[#423899]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#423899 (#423899) is rgb(66, 56, 153) in RGB.

No, #423899 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 #423899, or check how it holds up for accessibility.

Generate a palette → Check contrast