#2d3583

Color #2d3583

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 6.46 Nearest Tailwind class blue-900 #1c398e · ΔE 3.2

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

Conversions

HEX

#2d3583

RGB

rgb(45, 53, 131)

HSL

hsl(234.4, 48.9%, 34.5%)

HSV / HSB

hsv(234.4, 65.6%, 51.4%)

CMYK

cmyk(65.6%, 59.5%, 0%, 48.6%)

LAB

lab(25.99, 22.97, -45.04)

LCH

lch(25.99, 50.56, 297.02)

OKLCH

oklch(37.1%, 0.1298, 273.8)

HWB

hwb(234.4, 17.6%, 48.6%)

Harmony colors

Complementary

#837b2d

Analogous

#2d6083

#2d3583

#502d83

Triadic

#2d3583

#832d35

#35832d

Split-complementary

#2d3583

#83502d

#60832d

Tetradic

#2d3583

#7b2d83

#837b2d

#35832d

Square

#2d3583

#832d60

#837b2d

#2d8350

Shades

Color #2d3583 mixed toward black.

#252c6d

#1e2357

#161a41

#0f122c

#070916

Tints

Color #2d3583 mixed toward white.

#3b46ac

#5963c6

#838ad4

#acb1e3

#d6d8f1

Tones

Color #2d3583 mixed toward gray.

#343b7c

#3b4175

#42466d

#4a4c66

#51525f

Accessibility

Aa White text on this color

10.78:1

Aa Black text on this color

1.95:1

White text reads better on this background (10.78:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313176 · ΔE 2.7

Deuteranopia

#303072 · ΔE 3.3

Tritanopia

#2d6a67 · ΔE 31.1

Achromatopsia

#3e3e3e · ΔE 24

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

Code

CSS

background-color: #2d3583;

Tailwind (arbitrary value)

bg-[#2d3583]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#2d3583 (#2d3583) is rgb(45, 53, 131) in RGB.

No, #2d3583 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #2d3583, or check how it holds up for accessibility.

Generate a palette → Check contrast