#2d3e90

Color #2d3e90

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 7.06 Nearest Tailwind class blue-900 #1c398e · ΔE 2.1

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

Conversions

HEX

#2d3e90

RGB

rgb(45, 62, 144)

HSL

hsl(229.7, 52.4%, 37.1%)

HSV / HSB

hsv(229.7, 68.7%, 56.5%)

CMYK

cmyk(68.7%, 56.9%, 0%, 43.5%)

LAB

lab(29.45, 21.71, -47.48)

LCH

lch(29.45, 52.21, 294.57)

OKLCH

oklch(40%, 0.1366, 270.25)

HWB

hwb(229.7, 17.6%, 43.5%)

Harmony colors

Complementary

#907f2d

Analogous

#2d7090

#2d3e90

#4e2d90

Triadic

#2d3e90

#902d3e

#3e902d

Split-complementary

#2d3e90

#904e2d

#70902d

Tetradic

#2d3e90

#7f2d90

#907f2d

#3e902d

Square

#2d3e90

#902d70

#907f2d

#2d904e

Shades

Color #2d3e90 mixed toward black.

#263478

#1e2960

#171f48

#0f1530

#080a18

Tints

Color #2d3e90 mixed toward white.

#3a50b9

#5c6fcc

#8593d9

#aeb7e6

#d6dbf2

Tones

Color #2d3e90 mixed toward gray.

#354388

#3e4980

#464e77

#4e546f

#565967

Accessibility

Aa White text on this color

9.53:1

Aa Black text on this color

2.2:1

White text reads better on this background (9.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353582 · ΔE 4.1

Deuteranopia

#34337e · ΔE 4.8

Tritanopia

#2e7572 · ΔE 32.1

Achromatopsia

#454545 · ΔE 24.2

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

Code

CSS

background-color: #2d3e90;

Tailwind (arbitrary value)

bg-[#2d3e90]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#2d3e90 (#2d3e90) is rgb(45, 62, 144) in RGB.

No, #2d3e90 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 #2d3e90, or check how it holds up for accessibility.

Generate a palette → Check contrast