#2d283f

Color #2d283f

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 16.88 Nearest Tailwind class mauve-800 #2a212c · ΔE 6.1

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

Conversions

HEX

#2d283f

RGB

rgb(45, 40, 63)

HSL

hsl(253, 22.3%, 20.2%)

HSV / HSB

hsv(253, 36.5%, 24.7%)

CMYK

cmyk(28.6%, 36.5%, 0%, 75.3%)

LAB

lab(17.62, 8.36, -13.79)

LCH

lch(17.62, 16.13, 301.23)

OKLCH

oklch(29.3%, 0.0417, 293.61)

HWB

hwb(253, 15.7%, 75.3%)

Harmony colors

Complementary

#3a3f28

Analogous

#282f3f

#2d283f

#38283f

Triadic

#2d283f

#3f2d28

#283f2d

Split-complementary

#2d283f

#3f3828

#2f3f28

Tetradic

#2d283f

#3f283a

#3a3f28

#283f2d

Square

#2d283f

#3f282f

#3a3f28

#283f38

Shades

Color #2d283f mixed toward black.

#262134

#1e1b2a

#17141f

#0f0d15

#08070a

Tints

Color #2d283f mixed toward white.

#4b4268

#685d92

#8c83b0

#b3acca

#d9d6e5

Tones

Color #2d283f mixed toward gray.

#2e2a3d

#2f2c3b

#302e39

#313037

#323235

Accessibility

Aa White text on this color

14.12:1

Aa Black text on this color

1.49:1

White text reads better on this background (14.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b3a · ΔE 4.8

Deuteranopia

#2b2c39 · ΔE 6.1

Tritanopia

#2d3635 · ΔE 17

Achromatopsia

#2b2b2b · ΔE 13.1

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

Code

CSS

background-color: #2d283f;

Tailwind (arbitrary value)

bg-[#2d283f]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#2d283f (#2d283f) is rgb(45, 40, 63) in RGB.

No, #2d283f 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 #2d283f, or check how it holds up for accessibility.

Generate a palette → Check contrast