#1f4aa4

Color #1f4aa4

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 12.85 Nearest Tailwind class blue-800 #193cb8 · ΔE 5.8

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

Conversions

HEX

#1f4aa4

RGB

rgb(31, 74, 164)

HSL

hsl(220.6, 68.2%, 38.2%)

HSV / HSB

hsv(220.6, 81.1%, 64.3%)

CMYK

cmyk(81.1%, 54.9%, 0%, 35.7%)

LAB

lab(33.71, 19.5, -52.75)

LCH

lch(33.71, 56.24, 290.29)

OKLCH

oklch(43.5%, 0.1535, 262.62)

HWB

hwb(220.6, 12.2%, 35.7%)

Harmony colors

Complementary

#a4791f

Analogous

#1f8ca4

#1f4aa4

#361fa4

Triadic

#1f4aa4

#a41f4a

#4aa41f

Split-complementary

#1f4aa4

#a4361f

#8ca41f

Tetradic

#1f4aa4

#791fa4

#a4791f

#4aa41f

Square

#1f4aa4

#a41f8c

#a4791f

#1fa436

Shades

Color #1f4aa4 mixed toward black.

#1a3e89

#15316d

#0f2552

#0a1937

#050c1b

Tints

Color #1f4aa4 mixed toward white.

#275ed0

#4e7dde

#7a9de6

#a7beee

#d3def7

Tones

Color #1f4aa4 mixed toward gray.

#2a4e99

#35528e

#405683

#4b5a78

#565d6c

Accessibility

Aa White text on this color

8.16:1

Aa Black text on this color

2.57:1

White text reads better on this background (8.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#363794 · ΔE 7.8

Deuteranopia

#343190 · ΔE 9.4

Tritanopia

#238683 · ΔE 34.2

Achromatopsia

#4f4f4f · ΔE 24.9

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

Code

CSS

background-color: #1f4aa4;

Tailwind (arbitrary value)

bg-[#1f4aa4]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1f4aa4 (#1f4aa4) is rgb(31, 74, 164) in RGB.

No, #1f4aa4 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 #1f4aa4, or check how it holds up for accessibility.

Generate a palette → Check contrast