#3f38e7

Color #3f38e7

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 16.73 Nearest Tailwind class indigo-600 #4f39f6 · ΔE 2.8

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

Conversions

HEX

#3f38e7

RGB

rgb(63, 56, 231)

HSL

hsl(242.4, 78.5%, 56.3%)

HSV / HSB

hsv(242.4, 75.8%, 90.6%)

CMYK

cmyk(72.7%, 75.8%, 0%, 9.4%)

LAB

lab(37.21, 57.15, -86.06)

LCH

lch(37.21, 103.31, 303.59)

OKLCH

oklch(48.3%, 0.2495, 273.58)

HWB

hwb(242.4, 22%, 9.4%)

Harmony colors

Complementary

#e0e738

Analogous

#3889e7

#3f38e7

#9738e7

Triadic

#3f38e7

#e73f38

#38e73f

Split-complementary

#3f38e7

#e79738

#89e738

Tetradic

#3f38e7

#e738e0

#e0e738

#38e73f

Square

#3f38e7

#e73889

#e0e738

#38e797

Shades

Color #3f38e7 mixed toward black.

#211ad6

#1b15ab

#140f80

#0d0a55

#07052b

Tints

Color #3f38e7 mixed toward white.

#5f59eb

#7f7aef

#9f9cf3

#bfbdf7

#dfdefb

Tones

Color #3f38e7 mixed toward gray.

#4c47d8

#5a55ca

#6764bb

#7572ad

#82819e

Accessibility

Aa White text on this color

7.16:1

Aa Black text on this color

2.93:1

White text reads better on this background (7.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3cce · ΔE 3.2

Deuteranopia

#3c3dc7 · ΔE 4.1

Tritanopia

#3fb6b1 · ΔE 48.6

Achromatopsia

#585858 · ΔE 31.1

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

Code

CSS

background-color: #3f38e7;

Tailwind (arbitrary value)

bg-[#3f38e7]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3f38e7 (#3f38e7) is rgb(63, 56, 231) in RGB.

No, #3f38e7 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 #3f38e7, or check how it holds up for accessibility.

Generate a palette → Check contrast