#001f5d

Color #001f5d

A vivid, highly saturated very dark blue.

Closest named color Midnight Blue #191970 · ΔE 17.17 Nearest Tailwind class blue-950 #162456 · ΔE 3.1

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

Conversions

HEX

#001f5d

RGB

rgb(0, 31, 93)

HSL

hsl(220, 100%, 18.2%)

HSV / HSB

hsv(220, 100%, 36.5%)

CMYK

cmyk(100%, 66.7%, 0%, 63.5%)

LAB

lab(14.23, 17.7, -39.78)

LCH

lch(14.23, 43.54, 293.99)

OKLCH

oklch(26.7%, 0.1168, 261.18)

HWB

hwb(220, 0%, 63.5%)

Harmony colors

Complementary

#5d3e00

Analogous

#004d5d

#001f5d

#0f005d

Triadic

#001f5d

#5d001f

#1f5d00

Split-complementary

#001f5d

#5d0f00

#4d5d00

Tetradic

#001f5d

#3e005d

#5d3e00

#1f5d00

Square

#001f5d

#5d004d

#5d3e00

#005d0f

Shades

Color #001f5d mixed toward black.

#001a4d

#00153e

#000f2e

#000a1f

#00050f

Tints

Color #001f5d mixed toward white.

#0036a2

#004de8

#2e74ff

#74a2ff

#b9d1ff

Tones

Color #001f5d mixed toward gray.

#082255

#0f244d

#172746

#1f293e

#272c36

Accessibility

Aa White text on this color

15.51:1

Aa Black text on this color

1.35:1

White text reads better on this background (15.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121253 · ΔE 5.3

Deuteranopia

#100d50 · ΔE 6.5

Tritanopia

#024a48 · ΔE 28.9

Achromatopsia

#242424 · ΔE 22.5

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

Code

CSS

background-color: #001f5d;

Tailwind (arbitrary value)

bg-[#001f5d]

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

#001f5d (#001f5d) is rgb(0, 31, 93) in RGB.

No, #001f5d 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.

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 #001f5d, or check how it holds up for accessibility.

Generate a palette → Check contrast