#1f3e78

Color #1f3e78

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.3 Nearest Tailwind class blue-900 #1c398e · ΔE 4.4

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Conversions

HEX

#1f3e78

RGB

rgb(31, 62, 120)

HSL

hsl(219.1, 58.9%, 29.6%)

HSV / HSB

hsv(219.1, 74.2%, 47.1%)

CMYK

cmyk(74.2%, 48.3%, 0%, 52.9%)

LAB

lab(27, 10.12, -36.54)

LCH

lch(27, 37.92, 285.48)

OKLCH

oklch(37.4%, 0.1058, 261.58)

HWB

hwb(219.1, 12.2%, 52.9%)

Harmony colors

Complementary

#78591f

Analogous

#1f6a78

#1f3e78

#2d1f78

Triadic

#1f3e78

#781f3e

#3e781f

Split-complementary

#1f3e78

#782d1f

#6a781f

Tetradic

#1f3e78

#591f78

#78591f

#3e781f

Square

#1f3e78

#781f6a

#78591f

#1f782d

Shades

Color #1f3e78 mixed toward black.

#1a3464

#152950

#101f3c

#0a1528

#050a14

Tints

Color #1f3e78 mixed toward white.

#2b57a7

#4172ce

#7095da

#a0b8e6

#cfdcf3

Tones

Color #1f3e78 mixed toward gray.

#264071

#2e4269

#354562

#3d475a

#444953

Accessibility

Aa White text on this color

10.4:1

Aa Black text on this color

2.02:1

White text reads better on this background (10.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f6d · ΔE 7.3

Deuteranopia

#2d2b6b · ΔE 8.3

Tritanopia

#216462 · ΔE 26.8

Achromatopsia

#404040 · ΔE 20.7

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

Code

CSS

background-color: #1f3e78;

Tailwind (arbitrary value)

bg-[#1f3e78]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1f3e78 (#1f3e78) is rgb(31, 62, 120) in RGB.

No, #1f3e78 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 #1f3e78, or check how it holds up for accessibility.

Generate a palette → Check contrast