#2a3566

Color #2a3566

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.96 Nearest Tailwind class blue-950 #162456 · ΔE 5.3

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

Conversions

HEX

#2a3566

RGB

rgb(42, 53, 102)

HSL

hsl(229, 41.7%, 28.2%)

HSV / HSB

hsv(229, 58.8%, 40%)

CMYK

cmyk(58.8%, 48%, 0%, 60%)

LAB

lab(23.66, 11.59, -30.34)

LCH

lch(23.66, 32.48, 290.91)

OKLCH

oklch(34.6%, 0.0864, 271.72)

HWB

hwb(229, 16.5%, 60%)

Harmony colors

Complementary

#665b2a

Analogous

#2a5366

#2a3566

#3d2a66

Triadic

#2a3566

#662a35

#35662a

Split-complementary

#2a3566

#663d2a

#53662a

Tetradic

#2a3566

#5b2a66

#665b2a

#35662a

Square

#2a3566

#662a53

#665b2a

#2a663d

Shades

Color #2a3566 mixed toward black.

#232c55

#1c2344

#151a33

#0e1222

#070911

Tints

Color #2a3566 mixed toward white.

#3c4b91

#5265b8

#7d8bca

#a9b2db

#d4d8ed

Tones

Color #2a3566 mixed toward gray.

#2f3861

#343b5c

#393e57

#3e4252

#43454d

Accessibility

Aa White text on this color

11.67:1

Aa Black text on this color

1.8:1

White text reads better on this background (11.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f5d · ΔE 3.4

Deuteranopia

#2e2e5b · ΔE 3.7

Tritanopia

#2b5553 · ΔE 25.4

Achromatopsia

#383838 · ΔE 19.4

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

Code

CSS

background-color: #2a3566;

Tailwind (arbitrary value)

bg-[#2a3566]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#2a3566 (#2a3566) is rgb(42, 53, 102) in RGB.

No, #2a3566 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.

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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 #2a3566, or check how it holds up for accessibility.

Generate a palette → Check contrast