#331dce

Color #331dce

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 10.36 Nearest Tailwind class indigo-700 #432dd7 · ΔE 3.6

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

Conversions

HEX

#331dce

RGB

rgb(51, 29, 206)

HSL

hsl(247.5, 75.3%, 46.1%)

HSV / HSB

hsv(247.5, 85.9%, 80.8%)

CMYK

cmyk(75.2%, 85.9%, 0%, 19.2%)

LAB

lab(29.51, 61.08, -84.47)

LCH

lch(29.51, 104.24, 305.87)

OKLCH

oklch(42%, 0.2447, 273.59)

HWB

hwb(247.5, 11.4%, 19.2%)

Harmony colors

Complementary

#b8ce1d

Analogous

#1d5fce

#331dce

#8c1dce

Triadic

#331dce

#ce331d

#1dce33

Split-complementary

#331dce

#ce8c1d

#5fce1d

Tetradic

#331dce

#ce1db8

#b8ce1d

#1dce33

Square

#331dce

#ce1d5f

#b8ce1d

#1dce8c

Shades

Color #331dce mixed toward black.

#2b18ac

#221389

#1a0f67

#110a45

#090522

Tints

Color #331dce mixed toward white.

#4c36e3

#705ee8

#9387ee

#b7aff4

#dbd7f9

Tones

Color #331dce mixed toward gray.

#3e2cbf

#493bb1

#5449a2

#5f5893

#6a6784

Accessibility

Aa White text on this color

9.51:1

Aa Black text on this color

2.21:1

White text reads better on this background (9.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2bb7 · ΔE 3.7

Deuteranopia

#2c2eb0 · ΔE 4.9

Tritanopia

#32a19b · ΔE 48.2

Achromatopsia

#464646 · ΔE 31.2

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

Code

CSS

background-color: #331dce;

Tailwind (arbitrary value)

bg-[#331dce]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#331dce (#331dce) is rgb(51, 29, 206) in RGB.

No, #331dce 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #331dce, or check how it holds up for accessibility.

Generate a palette → Check contrast