#1f4898

Color #1f4898

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11.62 Nearest Tailwind class blue-900 #1c398e · ΔE 5

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

Conversions

HEX

#1f4898

RGB

rgb(31, 72, 152)

HSL

hsl(219.7, 66.1%, 35.9%)

HSV / HSB

hsv(219.7, 79.6%, 59.6%)

CMYK

cmyk(79.6%, 52.6%, 0%, 40.4%)

LAB

lab(32.24, 16.08, -47.88)

LCH

lch(32.24, 50.51, 288.56)

OKLCH

oklch(42.1%, 0.1393, 261.95)

HWB

hwb(219.7, 12.2%, 40.4%)

Harmony colors

Complementary

#986f1f

Analogous

#1f8498

#1f4898

#331f98

Triadic

#1f4898

#981f48

#48981f

Split-complementary

#1f4898

#98331f

#84981f

Tetradic

#1f4898

#6f1f98

#986f1f

#48981f

Square

#1f4898

#981f84

#986f1f

#1f9833

Shades

Color #1f4898 mixed toward black.

#1a3c7f

#153065

#10244c

#0a1833

#050c19

Tints

Color #1f4898 mixed toward white.

#285dc5

#4a7bda

#779ce3

#a5bded

#d2def6

Tones

Color #1f4898 mixed toward gray.

#294b8e

#334f84

#3d527a

#475570

#515866

Accessibility

Aa White text on this color

8.61:1

Aa Black text on this color

2.44:1

White text reads better on this background (8.61:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#35368a · ΔE 7.9

Deuteranopia

#333086 · ΔE 9.5

Tritanopia

#227d7a · ΔE 32

Achromatopsia

#4c4c4c · ΔE 23.8

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

Code

CSS

background-color: #1f4898;

Tailwind (arbitrary value)

bg-[#1f4898]

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

#1f4898 (#1f4898) is rgb(31, 72, 152) in RGB.

No, #1f4898 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 #1f4898, or check how it holds up for accessibility.

Generate a palette → Check contrast