#331ccd

Color #331ccd

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 10.32 Nearest Tailwind class indigo-700 #432dd7 · ΔE 3.8

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Conversions

HEX

#331ccd

RGB

rgb(51, 28, 205)

HSL

hsl(247.8, 76%, 45.7%)

HSV / HSB

hsv(247.8, 86.3%, 80.4%)

CMYK

cmyk(75.1%, 86.3%, 0%, 19.6%)

LAB

lab(29.26, 61.17, -84.29)

LCH

lch(29.26, 104.15, 305.97)

OKLCH

oklch(41.8%, 0.2441, 273.71)

HWB

hwb(247.8, 11%, 19.6%)

Harmony colors

Complementary

#b6cd1c

Analogous

#1c5ecd

#331ccd

#8c1ccd

Triadic

#331ccd

#cd331c

#1ccd33

Split-complementary

#331ccd

#cd8c1c

#5ecd1c

Tetradic

#331ccd

#cd1cb6

#b6cd1c

#1ccd33

Square

#331ccd

#cd1c5e

#b6cd1c

#1ccd8c

Shades

Color #331ccd mixed toward black.

#2a17ab

#221389

#190e67

#110944

#080522

Tints

Color #331ccd mixed toward white.

#4b34e3

#6f5de9

#9385ee

#b7aef4

#dbd6f9

Tones

Color #331ccd mixed toward gray.

#3e2bbe

#4939b0

#5448a1

#5f5792

#6a6683

Accessibility

Aa White text on this color

9.6:1

Aa Black text on this color

2.19:1

White text reads better on this background (9.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2ab6 · ΔE 3.7

Deuteranopia

#2c2daf · ΔE 4.8

Tritanopia

#32a09b · ΔE 47.7

Achromatopsia

#454545 · ΔE 31.2

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

Code

CSS

background-color: #331ccd;

Tailwind (arbitrary value)

bg-[#331ccd]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#331ccd (#331ccd) is rgb(51, 28, 205) in RGB.

No, #331ccd 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 #331ccd, or check how it holds up for accessibility.

Generate a palette → Check contrast