#3d3389

Color #3d3389

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 6.81 Nearest Tailwind class indigo-900 #312c85 · ΔE 2.4

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

Conversions

HEX

#3d3389

RGB

rgb(61, 51, 137)

HSL

hsl(247, 45.7%, 36.9%)

HSV / HSB

hsv(247, 62.8%, 53.7%)

CMYK

cmyk(55.5%, 62.8%, 0%, 46.3%)

LAB

lab(27.2, 29.41, -46.76)

LCH

lch(27.2, 55.24, 302.17)

OKLCH

oklch(38.5%, 0.1377, 283.1)

HWB

hwb(247, 20%, 46.3%)

Harmony colors

Complementary

#7f8933

Analogous

#335489

#3d3389

#683389

Triadic

#3d3389

#893d33

#33893d

Split-complementary

#3d3389

#896833

#548933

Tetradic

#3d3389

#89337f

#7f8933

#33893d

Square

#3d3389

#893354

#7f8933

#338968

Shades

Color #3d3389 mixed toward black.

#332b72

#29225b

#1f1a45

#14112e

#0a0917

Tints

Color #3d3389 mixed toward white.

#4f42b0

#6e63c5

#928ad3

#b7b1e2

#dbd8f0

Tones

Color #3d3389 mixed toward gray.

#433a82

#48417b

#4e4974

#53506c

#595765

Accessibility

Aa White text on this color

10.33:1

Aa Black text on this color

2.03:1

White text reads better on this background (10.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#39397b · ΔE 3.9

Deuteranopia

#393a77 · ΔE 4.8

Tritanopia

#3d6e6b · ΔE 31.4

Achromatopsia

#404040 · ΔE 24.9

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

Code

CSS

background-color: #3d3389;

Tailwind (arbitrary value)

bg-[#3d3389]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#3d3389 (#3d3389) is rgb(61, 51, 137) in RGB.

No, #3d3389 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 #3d3389, or check how it holds up for accessibility.

Generate a palette → Check contrast