#153f84

Color #153f84

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.36 Nearest Tailwind class blue-900 #1c398e · ΔE 3.5

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

Conversions

HEX

#153f84

RGB

rgb(21, 63, 132)

HSL

hsl(217.3, 72.5%, 30%)

HSV / HSB

hsv(217.3, 84.1%, 51.8%)

CMYK

cmyk(84.1%, 52.3%, 0%, 48.2%)

LAB

lab(27.79, 13.06, -42.8)

LCH

lch(27.79, 44.75, 286.97)

OKLCH

oklch(38.2%, 0.1252, 260.02)

HWB

hwb(217.3, 8.2%, 48.2%)

Harmony colors

Complementary

#845a15

Analogous

#157684

#153f84

#231584

Triadic

#153f84

#84153f

#3f8415

Split-complementary

#153f84

#842315

#768415

Tetradic

#153f84

#5a1584

#845a15

#3f8415

Square

#153f84

#841576

#845a15

#158423

Shades

Color #153f84 mixed toward black.

#12356e

#0e2a58

#0b2042

#07152c

#040b16

Tints

Color #153f84 mixed toward white.

#1d58b7

#3273de

#6596e6

#98b9ef

#ccdcf7

Tones

Color #153f84 mixed toward gray.

#1e417b

#284471

#314668

#3a485f

#434a56

Accessibility

Aa White text on this color

10.12:1

Aa Black text on this color

2.08:1

White text reads better on this background (10.12:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d78 · ΔE 8.2

Deuteranopia

#2a2775 · ΔE 9.7

Tritanopia

#196d6a · ΔE 29.7

Achromatopsia

#424242 · ΔE 22.5

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

Code

CSS

background-color: #153f84;

Tailwind (arbitrary value)

bg-[#153f84]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#153f84 (#153f84) is rgb(21, 63, 132) in RGB.

No, #153f84 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 #153f84, or check how it holds up for accessibility.

Generate a palette → Check contrast