#423d89

Color #423d89

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 2.15 Nearest Tailwind class indigo-900 #312c85 · ΔE 5.2

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

Conversions

HEX

#423d89

RGB

rgb(66, 61, 137)

HSL

hsl(243.9, 38.4%, 38.8%)

HSV / HSB

hsv(243.9, 55.5%, 53.7%)

CMYK

cmyk(51.8%, 55.5%, 0%, 46.3%)

LAB

lab(30.16, 24.01, -41.95)

LCH

lch(30.16, 48.34, 299.78)

OKLCH

oklch(40.8%, 0.1227, 282.47)

HWB

hwb(243.9, 23.9%, 46.3%)

Harmony colors

Complementary

#84893d

Analogous

#3d5e89

#423d89

#683d89

Triadic

#423d89

#89423d

#3d8942

Split-complementary

#423d89

#89683d

#5e893d

Tetradic

#423d89

#893d84

#84893d

#3d8942

Square

#423d89

#893d5e

#84893d

#3d8968

Shades

Color #423d89 mixed toward black.

#373372

#2c295b

#211e44

#16142e

#0b0a17

Tints

Color #423d89 mixed toward white.

#534dad

#746fbf

#9793cf

#bab7df

#dcdbef

Tones

Color #423d89 mixed toward gray.

#474383

#4d4a7c

#525076

#585670

#5d5d69

Accessibility

Aa White text on this color

9.29:1

Aa Black text on this color

2.26:1

White text reads better on this background (9.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#40407c · ΔE 3.1

Deuteranopia

#404178 · ΔE 4.2

Tritanopia

#42706d · ΔE 29.8

Achromatopsia

#474747 · ΔE 23.6

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

Code

CSS

background-color: #423d89;

Tailwind (arbitrary value)

bg-[#423d89]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#423d89 (#423d89) is rgb(66, 61, 137) in RGB.

No, #423d89 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 #423d89, or check how it holds up for accessibility.

Generate a palette → Check contrast