#15243c

Color #15243c

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 18.01 Nearest Tailwind class slate-800 #1d293d · ΔE 2.4

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

Conversions

HEX

#15243c

RGB

rgb(21, 36, 60)

HSL

hsl(216.9, 48.1%, 15.9%)

HSV / HSB

hsv(216.9, 65%, 23.5%)

CMYK

cmyk(65%, 40%, 0%, 76.5%)

LAB

lab(14.1, 2.42, -17.35)

LCH

lch(14.1, 17.52, 277.94)

OKLCH

oklch(26%, 0.0498, 259.48)

HWB

hwb(216.9, 8.2%, 76.5%)

Harmony colors

Complementary

#3c2d15

Analogous

#15383c

#15243c

#1a153c

Triadic

#15243c

#3c1524

#243c15

Split-complementary

#15243c

#3c1a15

#383c15

Tetradic

#15243c

#2d153c

#3c2d15

#243c15

Square

#15243c

#3c1538

#3c2d15

#153c1a

Shades

Color #15243c mixed toward black.

#121e32

#0e1828

#0b121e

#070c14

#04060a

Tints

Color #15243c mixed toward white.

#284471

#3a64a6

#6088c7

#95b0da

#cad7ec

Tones

Color #15243c mixed toward gray.

#182539

#1c2636

#1f2632

#22272f

#25282c

Accessibility

Aa White text on this color

15.56:1

Aa Black text on this color

1.35:1

White text reads better on this background (15.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1d37 · ΔE 6.2

Deuteranopia

#1c1a36 · ΔE 7.7

Tritanopia

#163332 · ΔE 17.6

Achromatopsia

#242424 · ΔE 12.7

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

Code

CSS

background-color: #15243c;

Tailwind (arbitrary value)

bg-[#15243c]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#15243c (#15243c) is rgb(21, 36, 60) in RGB.

No, #15243c 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 #15243c, or check how it holds up for accessibility.

Generate a palette → Check contrast