#15213f

Color #15213f

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 21.82 Nearest Tailwind class slate-900 #0f172b · ΔE 4.8

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Conversions

HEX

#15213f

RGB

rgb(21, 33, 63)

HSL

hsl(222.9, 50%, 16.5%)

HSV / HSB

hsv(222.9, 66.7%, 24.7%)

CMYK

cmyk(66.7%, 47.6%, 0%, 75.3%)

LAB

lab(13.27, 5.88, -20.77)

LCH

lch(13.27, 21.59, 285.81)

OKLCH

oklch(25.4%, 0.0592, 265.94)

HWB

hwb(222.9, 8.2%, 75.3%)

Harmony colors

Complementary

#3f3315

Analogous

#15363f

#15213f

#1e153f

Triadic

#15213f

#3f1521

#213f15

Split-complementary

#15213f

#3f1e15

#363f15

Tetradic

#15213f

#33153f

#3f3315

#213f15

Square

#15213f

#3f1536

#3f3315

#153f1e

Shades

Color #15213f mixed toward black.

#121c35

#0e162a

#0b1120

#070b15

#04060b

Tints

Color #15213f mixed toward white.

#273d74

#3959aa

#5f7eca

#95a9dc

#cad4ed

Tones

Color #15213f mixed toward gray.

#19233c

#1c2438

#202635

#232731

#27292e

Accessibility

Aa White text on this color

15.89:1

Aa Black text on this color

1.32:1

White text reads better on this background (15.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b39 · ΔE 4.3

Deuteranopia

#1a1938 · ΔE 4.9

Tritanopia

#163433 · ΔE 20.8

Achromatopsia

#222222 · ΔE 14.9

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

Code

CSS

background-color: #15213f;

Tailwind (arbitrary value)

bg-[#15213f]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#15213f (#15213f) is rgb(21, 33, 63) in RGB.

No, #15213f 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 #15213f, or check how it holds up for accessibility.

Generate a palette → Check contrast