#1f2b5b

Color #1f2b5b

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 21.65 Nearest Tailwind class blue-950 #162456 · ΔE 2.2

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

Conversions

HEX

#1f2b5b

RGB

rgb(31, 43, 91)

HSL

hsl(228, 49.2%, 23.9%)

HSV / HSB

hsv(228, 65.9%, 35.7%)

CMYK

cmyk(65.9%, 52.7%, 0%, 64.3%)

LAB

lab(19.12, 12.03, -30.46)

LCH

lch(19.12, 32.75, 291.55)

OKLCH

oklch(30.7%, 0.0871, 270.07)

HWB

hwb(228, 12.2%, 64.3%)

Harmony colors

Complementary

#5b4f1f

Analogous

#1f495b

#1f2b5b

#311f5b

Triadic

#1f2b5b

#5b1f2b

#2b5b1f

Split-complementary

#1f2b5b

#5b311f

#495b1f

Tetradic

#1f2b5b

#4f1f5b

#5b4f1f

#2b5b1f

Square

#1f2b5b

#5b1f49

#5b4f1f

#1f5b31

Shades

Color #1f2b5b mixed toward black.

#1a244c

#151d3d

#0f152d

#0a0e1e

#05070f

Tints

Color #1f2b5b mixed toward white.

#2f428b

#4059bb

#6e81ce

#9eabde

#cfd5ef

Tones

Color #1f2b5b mixed toward gray.

#242e56

#293151

#2e344c

#333747

#383a42

Accessibility

Aa White text on this color

13.51:1

Aa Black text on this color

1.55:1

White text reads better on this background (13.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#252552 · ΔE 3.5

Deuteranopia

#242350 · ΔE 4

Tritanopia

#204b49 · ΔE 25.6

Achromatopsia

#2e2e2e · ΔE 19.5

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

Code

CSS

background-color: #1f2b5b;

Tailwind (arbitrary value)

bg-[#1f2b5b]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1f2b5b (#1f2b5b) is rgb(31, 43, 91) in RGB.

No, #1f2b5b 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 #1f2b5b, or check how it holds up for accessibility.

Generate a palette → Check contrast