#2421b7

Color #2421b7

A moderately saturated medium blue.

Closest named color Dark Blue #00008b · ΔE 13.89 Nearest Tailwind class indigo-800 #372aac · ΔE 2.6

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Conversions

HEX

#2421b7

RGB

rgb(36, 33, 183)

HSL

hsl(241.2, 69.4%, 42.4%)

HSV / HSB

hsv(241.2, 82%, 71.8%)

CMYK

cmyk(80.3%, 82%, 0%, 28.2%)

LAB

lab(26.39, 51.86, -76.12)

LCH

lch(26.39, 92.11, 304.27)

OKLCH

oklch(38.8%, 0.2204, 270.55)

HWB

hwb(241.2, 12.9%, 28.2%)

Harmony colors

Complementary

#b4b721

Analogous

#2169b7

#2421b7

#6f21b7

Triadic

#2421b7

#b72421

#21b724

Split-complementary

#2421b7

#b76f21

#69b721

Tetradic

#2421b7

#b721b4

#b4b721

#21b724

Square

#2421b7

#b72169

#b4b721

#21b76f

Shades

Color #2421b7 mixed toward black.

#1e1c99

#18167a

#12115c

#0c0b3d

#06061f

Tints

Color #2421b7 mixed toward white.

#3330da

#5c59e1

#8583e9

#adacf0

#d6d6f8

Tones

Color #2421b7 mixed toward gray.

#302eab

#3c3a9e

#484792

#545385

#606079

Accessibility

Aa White text on this color

10.63:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.63:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2323a2 · ΔE 2.8

Deuteranopia

#23239d · ΔE 3.5

Tritanopia

#248f8a · ΔE 44.1

Achromatopsia

#3e3e3e · ΔE 30

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

Code

CSS

background-color: #2421b7;

Tailwind (arbitrary value)

bg-[#2421b7]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#2421b7 (#2421b7) is rgb(36, 33, 183) in RGB.

No, #2421b7 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.

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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 #2421b7, or check how it holds up for accessibility.

Generate a palette → Check contrast