#2a397d

Color #2a397d

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 9.78 Nearest Tailwind class blue-900 #1c398e · ΔE 3.2

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

Conversions

HEX

#2a397d

RGB

rgb(42, 57, 125)

HSL

hsl(229.2, 49.7%, 32.7%)

HSV / HSB

hsv(229.2, 66.4%, 49%)

CMYK

cmyk(66.4%, 54.4%, 0%, 51%)

LAB

lab(26.44, 17.44, -40.55)

LCH

lch(26.44, 44.14, 293.27)

OKLCH

oklch(37.3%, 0.1164, 270.44)

HWB

hwb(229.2, 16.5%, 51%)

Harmony colors

Complementary

#7d6e2a

Analogous

#2a627d

#2a397d

#442a7d

Triadic

#2a397d

#7d2a39

#397d2a

Split-complementary

#2a397d

#7d442a

#627d2a

Tetradic

#2a397d

#6e2a7d

#7d6e2a

#397d2a

Square

#2a397d

#7d2a62

#7d6e2a

#2a7d44

Shades

Color #2a397d mixed toward black.

#232f68

#1c2653

#151c3e

#0e132a

#070915

Tints

Color #2a397d mixed toward white.

#384ca8

#5468c5

#7f8ed4

#a9b4e2

#d4d9f1

Tones

Color #2a397d mixed toward gray.

#313d76

#38426f

#3f4668

#464b61

#4c4f5a

Accessibility

Aa White text on this color

10.61:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.61:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313171 · ΔE 3.9

Deuteranopia

#302f6e · ΔE 4.5

Tritanopia

#2b6664 · ΔE 28.8

Achromatopsia

#3f3f3f · ΔE 22.6

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

Code

CSS

background-color: #2a397d;

Tailwind (arbitrary value)

bg-[#2a397d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#2a397d (#2a397d) is rgb(42, 57, 125) in RGB.

No, #2a397d 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 #2a397d, or check how it holds up for accessibility.

Generate a palette → Check contrast