#2d1dab

Color #2d1dab

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 10.5 Nearest Tailwind class indigo-800 #372aac · ΔE 2.8

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

Conversions

HEX

#2d1dab

RGB

rgb(45, 29, 171)

HSL

hsl(246.8, 71%, 39.2%)

HSV / HSB

hsv(246.8, 83%, 67.1%)

CMYK

cmyk(73.7%, 83%, 0%, 32.9%)

LAB

lab(24.88, 50.6, -71.43)

LCH

lch(24.88, 87.54, 305.31)

OKLCH

oklch(37.5%, 0.2072, 274.79)

HWB

hwb(246.8, 11.4%, 32.9%)

Harmony colors

Complementary

#9bab1d

Analogous

#1d54ab

#2d1dab

#741dab

Triadic

#2d1dab

#ab2d1d

#1dab2d

Split-complementary

#2d1dab

#ab741d

#54ab1d

Tetradic

#2d1dab

#ab1d9b

#9bab1d

#1dab2d

Square

#2d1dab

#ab1d54

#9bab1d

#1dab74

Shades

Color #2d1dab mixed toward black.

#26188e

#1e1372

#170e55

#0f0a39

#08051c

Tints

Color #2d1dab mixed toward white.

#3924d7

#5f4ee1

#877ae9

#afa7f0

#d7d3f8

Tones

Color #2d1dab mixed toward gray.

#36299f

#3f3593

#494087

#524c7c

#5b5870

Accessibility

Aa White text on this color

11.2:1

Aa Black text on this color

1.88:1

White text reads better on this background (11.2:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272797 · ΔE 3.7

Deuteranopia

#282992 · ΔE 4.6

Tritanopia

#2c8581 · ΔE 41.5

Achromatopsia

#3b3b3b · ΔE 29.5

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

Code

CSS

background-color: #2d1dab;

Tailwind (arbitrary value)

bg-[#2d1dab]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#2d1dab (#2d1dab) is rgb(45, 29, 171) in RGB.

No, #2d1dab 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 #2d1dab, or check how it holds up for accessibility.

Generate a palette → Check contrast