#001f4d

Color #001f4d

A vivid, highly saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 26.29 Nearest Tailwind class blue-950 #162456 · ΔE 2.9

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

Conversions

HEX

#001f4d

RGB

rgb(0, 31, 77)

HSL

hsl(215.8, 100%, 15.1%)

HSV / HSB

hsv(215.8, 100%, 30.2%)

CMYK

cmyk(100%, 59.7%, 0%, 69.8%)

LAB

lab(12.71, 10.25, -31.44)

LCH

lch(12.71, 33.07, 288.06)

OKLCH

oklch(25.1%, 0.0929, 258.01)

HWB

hwb(215.8, 0%, 69.8%)

Harmony colors

Complementary

#4d2e00

Analogous

#00464d

#001f4d

#07004d

Triadic

#001f4d

#4d001f

#1f4d00

Split-complementary

#001f4d

#4d0700

#464d00

Tetradic

#001f4d

#2e004d

#4d2e00

#1f4d00

Square

#001f4d

#4d0046

#4d2e00

#004d07

Shades

Color #001f4d mixed toward black.

#001a40

#001533

#001027

#000a1a

#00050d

Tints

Color #001f4d mixed toward white.

#003c95

#0059dd

#277eff

#6fa9ff

#b7d4ff

Tones

Color #001f4d mixed toward gray.

#062047

#0d2240

#13233a

#1a2433

#20252d

Accessibility

Aa White text on this color

16.11:1

Aa Black text on this color

1.3:1

White text reads better on this background (16.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121245 · ΔE 6.4

Deuteranopia

#100d43 · ΔE 7.7

Tritanopia

#023e3c · ΔE 25.6

Achromatopsia

#212121 · ΔE 19.4

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

Code

CSS

background-color: #001f4d;

Tailwind (arbitrary value)

bg-[#001f4d]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#001f4d (#001f4d) is rgb(0, 31, 77) in RGB.

No, #001f4d 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #001f4d, or check how it holds up for accessibility.

Generate a palette → Check contrast